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Proto-oncogene Pokemon in thyroid cancer: a potential promoter of tumorigenesis in papillary thyroid carcinoma
Kyungseek Chang, Sung-Im Do, Kyungeun Kim, Seoung Wan Chae, In-gu Do, Hyun Joo Lee, Dong Hoon Kim, Jin Hee Sohn
J Pathol Transl Med. 2021;55(5):317-323.   Published online August 9, 2021
DOI: https://doi.org/10.4132/jptm.2021.06.28
  • 6,132 View
  • 131 Download
  • 4 Web of Science
  • 4 Crossref
AbstractAbstract PDFSupplementary Material
Background
Pokemon is an oncogenic transcription regulator that plays a critical role in cellular differentiation. Although it has been found to be overexpressed in several types of cancer involving different organs, its role in thyroid gland has yet to be reported. The objective of this study was to evaluate the expression of Pokemon in papillary thyroid carcinoma (PTC) based on clinicopathological parameters.
Methods
Tissue microarray samples derived from patients with PTC or benign thyroid disease were used to evaluate Pokemon expression based on immunohistochemical analysis. Correlations of its expression with various clinicopathological parameters were then analyzed.
Results
Pokemon expression was observed in 22.0% of thyroid follicular cells from the normal group, 44.0% from the group with benign thyroid diseases, and 92.1% from the group with PTC (p < .001). The intensity of Pokemon expression was markedly higher in the PTC group. Pokemon expression level and PTC tumor size showed an inverse correlation. T1a tumors showed strong expression levels of Pokemon. However, larger tumors showed weak expression (p = .006).
Conclusions
Pokemon expression is associated with tumorigenesis of PTC, with expression showing an inverse correlation with PTC tumor size. This might be related to the negative regulation of aerobic glycolysis by Pokemon.

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  • Systems biology approach delineates critical pathways associated with papillary thyroid cancer: a multi-omics data analysis
    Febby Payva, Santhy K. S., Remya James, Amrisa Pavithra E, Venketesh Sivaramakrishnan
    Thyroid Research.2025;[Epub]     CrossRef
  • Understanding the dysregulation of PURPL, a novel long intergenic noncoding RNA, in thyroid cancer progression
    Mina Kazemzadeh, Reza Safaralizadeh, Amir Ali Mokhtarzadeh, Mohammad Ali Hosseinpour Feizi
    Human Gene.2025; 46: 201499.     CrossRef
  • ZBTB7A as a therapeutic target for cancer
    Ying Zhou, Xisha Chen, Xuyu Zu
    Biochemical and Biophysical Research Communications.2024; 736: 150888.     CrossRef
  • Knockdown of FBI-1 Inhibits the Warburg Effect and Enhances the Sensitivity of Hepatocellular Carcinoma Cells to Molecular Targeted Agents via miR-3692/HIF-1α
    Juan Liu, Chao Yang, Xiao-Mei Huang, Pan-Pan Lv, Ya-Kun Yang, Jin-Na Zhao, Si-Yuan Zhao, Wan-Jun Sun
    Frontiers in Oncology.2021;[Epub]     CrossRef
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A scoring system for the diagnosis of non-alcoholic steatohepatitis from liver biopsy
Kyoungbun Lee, Eun Sun Jung, Eunsil Yu, Yun Kyung Kang, Mee-Yon Cho, Joon Mee Kim, Woo Sung Moon, Jin Sook Jeong, Cheol Keun Park, Jae-Bok Park, Dae Young Kang, Jin Hee Sohn, So-Young Jin
J Pathol Transl Med. 2020;54(3):228-236.   Published online April 15, 2020
DOI: https://doi.org/10.4132/jptm.2020.03.07
  • 13,684 View
  • 279 Download
  • 12 Web of Science
  • 11 Crossref
AbstractAbstract PDF
Background
Liver biopsy is the essential method to diagnose non-alcoholic steatohepatitis (NASH), but histological features of NASH are too subjective to achieve reproducible diagnoses in early stages of disease. We aimed to identify the key histological features of NASH and devise a scoring model for diagnosis.
Methods
Thirteen pathologists blindly assessed 12 histological factors and final histological diagnoses (‘not-NASH,’ ‘borderline,’ and ‘NASH’) of 31 liver biopsies that were diagnosed as non-alcoholic fatty liver disease (NAFLD) or NASH before and after consensus. The main histological parameters to diagnose NASH were selected based on histological diagnoses and the diagnostic accuracy and agreement of 12 scoring models were compared for final diagnosis and the NAFLD Activity Score (NAS) system.
Results
Inter-observer agreement of final diagnosis was fair (κ = 0.25) before consensus and slightly improved after consensus (κ = 0.33). Steatosis at more than 5% was the essential parameter for diagnosis. Major diagnostic factors for diagnosis were fibrosis except 1C grade and presence of ballooned cells. Minor diagnostic factors were lobular inflammation ( ≥ 2 foci/ × 200 field), microgranuloma, and glycogenated nuclei. All 12 models showed higher inter-observer agreement rates than NAS and post-consensus diagnosis (κ = 0.52–0.69 vs. 0.33). Considering the reproducibility of factors and practicability of the model, summation of the scores of major (× 2) and minor factors may be used for the practical diagnosis of NASH.
Conclusions
A scoring system for the diagnosis of NAFLD would be helpful as guidelines for pathologists and clinicians by improving the reproducibility of histological diagnosis of NAFLD.

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    Marlone Cunha-Silva, Luíza D. Torres, Mariana F. Fernandes, Tirzah de M. Lopes Secundo, Marina C.G. Moreira, Ademar Yamanaka, Leonardo T. Monici, Larissa B. Eloy da Costa, Daniel F. Mazo, Tiago Sevá-Pereira
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  • Changes in indications for outpatient percutaneous liver biopsy over 5 years: from hepatitis C to fatty liver disease
    Marlone Cunha-Silva, Luíza D. Torres, Mariana F. Fernandes, Tirzah de M. Lopes Secundo, Marina C.G. Moreira, Ademar Yamanaka, Leonardo T. Monici, Larissa B. Eloy da Costa, Daniel F. Mazo, Tiago Sevá-Pereira
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Review
Article image
Standardized Pathology Report for Colorectal Cancer, 2nd Edition
Baek-hui Kim, Joon Mee Kim, Gyeong Hoon Kang, Hee Jin Chang, Dong Wook Kang, Jung Ho Kim, Jeong Mo Bae, An Na Seo, Ho Sung Park, Yun Kyung Kang, Kyung-Hwa Lee, Mee Yon Cho, In-Gu Do, Hye Seung Lee, Hee Kyung Chang, Do Youn Park, Hyo Jeong Kang, Jin Hee Sohn, Mee Soo Chang, Eun Sun Jung, So-Young Jin, Eunsil Yu, Hye Seung Han, Youn Wha Kim
J Pathol Transl Med. 2020;54(1):1-19.   Published online November 13, 2019
DOI: https://doi.org/10.4132/jptm.2019.09.28
  • 30,304 View
  • 1,331 Download
  • 46 Web of Science
  • 40 Crossref
AbstractAbstract PDFSupplementary Material
The first edition of the ‘Standardized Pathology Report for Colorectal Cancer,’ which was developed by the Gastrointestinal Pathology Study Group (GIP) of the Korean Society of Pathologists, was published 13 years ago. Meanwhile, there have been many changes in the pathologic diagnosis of colorectal cancer (CRC), pathologic findings included in the pathology report, and immunohistochemical and molecular pathology required for the diagnosis and treatment of colorectal cancer. In order to reflect these changes, we (GIP) decided to make the second edition of the report. The purpose of this standardized pathology report is to provide a practical protocol for Korean pathologists, which could help diagnose and treat CRC patients. This report consists of “standard data elements” and “conditional data elements.” Basic pathologic findings and parts necessary for prognostication of CRC patients are classified as “standard data elements,” while other prognostic factors and factors related to adjuvant therapy are classified as “conditional data elements” so that each institution could select the contents according to the characteristics of the institution. The Korean version is also provided separately so that Korean pathologists can easily understand and use this report. We hope that this report will be helpful in the daily practice of CRC diagnosis.

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Original Articles
Prognostic Role of Metastatic Lymph Node Ratio in Papillary Thyroid Carcinoma
Jung-Soo Pyo, Jin Hee Sohn, Kyungseek Chang
J Pathol Transl Med. 2018;52(5):331-338.   Published online August 30, 2018
DOI: https://doi.org/10.4132/jptm.2018.08.07
  • 9,773 View
  • 131 Download
  • 16 Web of Science
  • 15 Crossref
AbstractAbstract PDF
Background
The aim of this study is to elucidate the clinicopathological significances, including the prognostic role, of metastatic lymph node ratio (mLNR) and tumor deposit diameter in papillary thyroid carcinoma (PTC) through a retrospective review and meta-analysis.
Methods
We categorized the cases into high (≥ 0.44) and low mLNR (< 0.44) and investigated the correlations with clinicopathological parameters in 64 PTCs with neck level VI lymph node (LN) metastasis. In addition, meta-analysis of seven eligible studies was used to investigate the correlation between mLNR and survival.
Results
Among 64 PTCs with neck level VI LN metastasis, high mLNR was found in 34 PTCs (53.1%). High mLNR was significantly correlated with macrometastasis (tumor deposit diameter ≥ 0.2 cm), extracapsular spread, and number of metastatic LNs. Based on linear regression test, mLNR was significantly increased by the largest LN size but not the largest metastatic LN (mLN) size. High mLNR was not correlated with nuclear factor κB or cyclin D1 immunohistochemical expression, Ki-67 labeling index, or other pathological parameters of primary tumor. Based on meta-analysis, high mLNR significantly correlated with worse disease-free survival at the 5-year and 10-year follow-up (hazard ratio [HR], 4.866; 95% confidence interval [CI], 3.527 to 6.714 and HR, 5.769; 95% CI, 2.951 to 11.275, respectively).
Conclusions
Our data showed that high mLNR significantly correlated with worse survival, macrometastasis, and extracapsular spread of mLNs. Further cumulative studies for more detailed criteria of mLNR are needed before application in daily practice.

Citations

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Detection of Tumor Multifocality Is Important for Prediction of Tumor Recurrence in Papillary Thyroid Microcarcinoma: A Retrospective Study and Meta-Analysis
Jung-Soo Pyo, Jin Hee Sohn, Guhyun Kang
J Pathol Transl Med. 2016;50(4):278-286.   Published online June 6, 2016
DOI: https://doi.org/10.4132/jptm.2016.03.29
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AbstractAbstract PDF
Background
The clinicopathological characteristics and conclusive treatment modality for multifocal papillary thyroid microcarcinoma (mPTMC) have not been fully established.
Methods
A retrospective study, systematic review, and meta-analysis were conducted to elucidate the clinicopathological significance of mPTMC. We investigated the multiplicity of 383 classical papillary thyroid microcarcinomas (PTMCs) and the clinicopathological significance of incidental mPTMCs. Correlation between tumor recurrence and multifocality in PTMCs was evaluated through a systematic review and meta-analysis.
Results
Tumor multifocality was identified in 103 of 383 PTMCs (26.9%). On linear regression analysis, primary tumor diameter was significantly correlated with tumor number (R2=0.014, p=.021) and supplemental tumor diameter (R2=0.117, p=.023). Of 103 mPTMCs, 61 (59.2%) were non-incidental, with tumor detected on preoperative ultrasonography, and 42 (40.8%) were diagnosed (incidental mPTMCs) on pathological examination. Lymph node metastasis and higher tumor stage were significantly correlated with tumor multifocality. However, there was no difference in nodal metastasis or tumor stage between incidental and non-incidental mPTMCs. On meta-analysis, tumor multifocality was significantly correlated with tumor recurrence in PTMCs (odds ratio, 2.002; 95% confidence interval, 1.475 to 2.719, p<.001).
Conclusions
Our results show that tumor multifocality in PTMC, regardless of manner of detection, is significantly correlated with aggressive tumor behavior.

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Interobserver Agreement on Pathologic Features of Liver Biopsy Tissue in Patients with Nonalcoholic Fatty Liver Disease
Eun Sun Jung, Kyoungbun Lee, Eunsil Yu, Yun Kyung Kang, Mee-Yon Cho, Joon Mee Kim, Woo Sung Moon, Jin Sook Jeong, Cheol Keun Park, Jae-Bok Park, Dae Young Kang, Jin Hee Sohn, So-Young Jin
J Pathol Transl Med. 2016;50(3):190-196.   Published online April 18, 2016
DOI: https://doi.org/10.4132/jptm.2016.03.01
  • 14,788 View
  • 272 Download
  • 29 Web of Science
  • 29 Crossref
AbstractAbstract PDF
Background
The histomorphologic criteria for the pathological features of liver tissue from patients with non-alcoholic fatty liver disease (NAFLD) remain subjective, causing confusion among pathologists and clinicians. In this report, we studied interobserver agreement of NAFLD pathologic features and analyzed causes of disagreement.
Methods
Thirty-one cases of clinicopathologically diagnosed NAFLD from 10 hospitals were selected. One hematoxylin and eosin and one Masson’s trichrome-stained virtual slide from each case were blindly reviewed with regard to 12 histological parameters by 13 pathologists in a gastrointestinal study group of the Korean Society of Pathologists. After the first review, we analyzed the causes of disagreement and defined detailed morphological criteria. The glass slides from each case were reviewed a second time after a consensus meeting. The degree of interobserver agreement was determined by multi-rater kappa statistics.
Results
Kappa values of the first review ranged from 0.0091–0.7618. Acidophilic bodies (k = 0.7618) and portal inflammation (k = 0.5914) showed high levels of agreement, whereas microgranuloma (k = 0.0984) and microvesicular fatty change (k = 0.0091) showed low levels of agreement. After the second review, the kappa values of the four major pathological features increased from 0.3830 to 0.5638 for steatosis grade, from 0.1398 to 0.2815 for lobular inflammation, from 0.1923 to 0.3362 for ballooning degeneration, and from 0.3303 to 0.4664 for fibrosis.
Conclusions
More detailed histomorphological criteria must be defined for correct diagnosis and high interobserver agreement of NAFLD.

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Core Needle Biopsy Is a More Conclusive Follow-up Method Than Repeat Fine Needle Aspiration for Thyroid Nodules with Initially Inconclusive Results: A Systematic Review and Meta-Analysis
Jung-Soo Pyo, Jin Hee Sohn, Guhyun Kang
J Pathol Transl Med. 2016;50(3):217-224.   Published online April 14, 2016
DOI: https://doi.org/10.4132/jptm.2016.02.15
  • 13,527 View
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  • 19 Web of Science
  • 20 Crossref
AbstractAbstract PDF
Background
This study investigated the appropriate management of thyroid nodules with prior non-diagnostic or atypia of undetermined significance/follicular lesion of undetermined significance (AUS/FLUS) through a systematic review and meta-analysis.
Methods
This study included 4,235 thyroid nodules from 26 eligible studies. We investigated the conclusive rate of follow-up core needle biopsy (CNB) or repeat fine needle aspiration (rFNA) after initial fine needle aspiration (FNA) with non-diagnostic or AUS/FLUS results. A diagnostic test accuracy (DTA) review was performed to determine the diagnostic role of the follow-up CNB and to calculate the area under the curve (AUC) on the summary receiver operating characteristic (SROC) curve.
Results
The conclusive rates of follow-up CNB and rFNA after initial FNA were 0.879 (95% confidence interval [CI], 0.801 to 0.929) and 0.684 (95% CI, 0.627 to 0.736), respectively. In comparison of the odds ratios of CNB and rFNA, CNB had more frequent conclusive results than rFNA (odds ratio, 5.707; 95% CI, 2.530 to 12.875). Upon subgroup analysis, follow-up CNB showed a higher conclusive rate than rFNA in both initial non-diagnostic and AUS/FLUS subgroups. In DTA review of followup CNB, the pooled sensitivity and specificity were 0.94 (95% CI, 0.88 to 0.97) and 0.88 (95% CI, 0.84 to 0.91), respectively. The AUC for the SROC curve was 0.981, nearing 1.
Conclusions
Our results show that CNB has a higher conclusive rate than rFNA when the initial FNA produced inconclusive results. Further prospective studies with more detailed criteria are necessary before follow-up CNB can be applied in daily practice.

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    Soon-Hyun Ahn
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MUC2 Expression Is Correlated with Tumor Differentiation and Inhibits Tumor Invasion in Gastric Carcinomas: A Systematic Review and Meta-analysis
Jung-Soo Pyo, Jin Hee Sohn, Guhyun Kang, Dong-Hoon Kim, Kyungeun Kim, In-Gu Do, Dong Hyun Kim
J Pathol Transl Med. 2015;49(3):249-256.   Published online May 15, 2015
DOI: https://doi.org/10.4132/jptm.2015.03.27
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AbstractAbstract PDF
Background
While MUC2 is expressed in intestinal metaplasia and malignant lesions, the clinico-pathological significance of MUC2 expression is not fully elucidated in gastric carcinoma (GC). Methods: The present study investigated the correlation between MUC2 expression and clinico-pathological parameters in 167 human GCs. In addition, to confirm the clinicopathological significance of MUC2 expression, we performed a systematic review and meta-analysis in 1,832 GCs. Results: MUC2 expression was found in 58 of 167 GCs (34.7%). MUC2-expressing GC showed lower primary tumor (T), regional lymph node (N), and tumor node metastasis (TNM) stages compared with GCs without MUC2 expression (p=.001, p=.001, and p=.011, respectively). However, MUC2 expression was not correlated with Lauren’s classification and tumor differentiation. In meta-analysis, MUC2 expression was significantly correlated with differentiation and lower tumor stage (odds ratio [OR], 1.303; 95% confidence interval [CI], 1.020 to 1.664; p = .034 and OR, 1.352; 95% CI, 1.055 to 1.734; p = .017, respectively) but not with Lauren’s classification, pN stage, or pTNM stage. Conclusions: MUC2 expression was correlated with a lower tumor depth and lower lymph node metastasis in our study; the meta-analysis showed a correlation of MUC2 expression with tumor differentiation and lower tumor depth.

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    Shunda Wang, Yongrun Mu, Jianwei Zhang, Chengfeng Wang
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Brief Case Report
Traumatic Bowel Perforation and Inguinal Hernia Masking a Mesenteric Calcifying Fibrous Tumor
Dong Hyun Kim, Kyueng-Whan Min, Dong-Hoon Kim, Seoung Wan Chae, Jin Hee Sohn, Jung-Soo Pyo, Sung-Im Do, Kyungeun Kim, Hyun Joo Lee
J Pathol Transl Med. 2015;49(3):267-269.   Published online May 15, 2015
DOI: https://doi.org/10.4132/jptm.2015.03.20
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PDF

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  • A rare cause of small intestinal obstruction in children: a case report of calcifying fibrous tumor
    Zesheng Yang, Xiaoying Xie, Shicheng Wang, Weijun Xu, Guanghua Pei, Jun Wan
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    Angeliki Chorti, Theodossis S. Papavramidis, Antonios Michalopoulos
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Original Articles
Cytological Evaluation and REBA HPV-ID HPV Testing of Newly Developed Liquid-Based Cytology, EASYPREP: Comparison with SurePath
Youn Soo Lee, Gyungyub Gong, Jin Hee Sohn, Ki Sung Ryu, Jung Hun Lee, Shin Kwang Khang, Kyung-Ja Cho, Yong-Man Kim, Chang Suk Kang
Korean J Pathol. 2013;47(3):265-274.   Published online June 25, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.265
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AbstractAbstract PDF
Background

The objective of this study was to evaluate a newly-developed EASYPREP liquid-based cytology method in cervicovaginal specimens and compare it with SurePath.

Methods

Cervicovaginal specimens were prospectively collected from 1,000 patients with EASYPREP and SurePath. The specimens were first collected by brushing for SurePath and second for EASYPREP. The specimens of both methods were diagnosed according to the Bethesda System. Additionally, we performed to REBA HPV-ID genotyping and sequencing analysis for human papillomavirus (HPV) on 249 specimens.

Results

EASYPREP and SurePath showed even distribution of cells and were equal in cellularity and staining quality. The diagnostic agreement between the two methods was 96.5%. Based on the standard of SurePath, the sensitivity, specificity, positive predictive value, and negative predictive value of EASYPREP were 90.7%, 99.2%, 94.8%, and 98.5%, respectively. The positivity of REBA HPV-ID was 49.4% and 95.1% in normal and abnormal cytological samples, respectively. The result of REBA HPV-ID had high concordance with sequencing analysis.

Conclusions

EASYPREP provided comparable results to SurePath in the diagnosis and staining quality of cytology examinations and in HPV testing with REBA HPV-ID. EASYPREP could be another LBC method choice for the cervicovaginal specimens. Additionally, REBA HPV-ID may be a useful method for HPV genotyping.

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  • Virome capture sequencing for comprehensive HPV genotyping in cervical samples
    Thanayod Sasivimolrattana, Sasiprapa Liewchalermwong, Wasun Chantratita, Insee Sensorn, Arkom Chaiwongkot, Parvapan Bhattarakosol
    Science Progress.2025;[Epub]     CrossRef
  • High-Risk Human Papillomavirus Detection via Cobas® 4800 and REBA HPV-ID® Assays
    Sasiprapa Liewchalermwong, Shina Oranratanaphan, Wichai Termrungruanglert, Surang Triratanachat, Patou Tantbirojn, Nakarin Kitkumthorn, Parvapan Bhattarakosol, Arkom Chaiwongkot
    Viruses.2022; 14(12): 2713.     CrossRef
  • Evaluation of nuclear chromatin using grayscale intensity and thresholded percentage area in liquid‐based cervical cytology
    Hyekyung Lee, Myungein Han, Taejo Yoo, Chanho Jung, Hyun‐Jin Son, Migyung Cho
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  • Comparison of EASYPREP® and SurePath® in thyroid fine‐needle aspiration
    Yosep Chong, Ki Hyun Baek, Jee Young Kim, Tae‐Jung Kim, Eun Jung Lee, Chang Suk Kang
    Diagnostic Cytopathology.2016; 44(4): 283.     CrossRef
Early Colorectal Epithelial Neoplasm in Korea: A Multicenter Survey of Pathologic Diagnosis
Yun Kyung Kang, So-Young Jin, Mee Soo Chang, Jung Yeon Kim, Gyeong Hoon Kang, Hye Seung Lee, Jin Hee Sohn, Ho Sung Park, Kye Won Kwon, Mi Jin Gu, Young Hee Maeng, Jong Eun Joo, Haeng Ji Kang, Hee Kyung Kim, Kee-Taek Jang, Mi Ja Lee, Hee Kyung Chang, Joon Mee Kim, Hye Seung Han, Won Ae Lee, Yoon Jung Choi, Dong Wook Kang, Sunhoo Park, Jae Hyuk Lee, Mee-Yon Cho
Korean J Pathol. 2013;47(3):245-251.   Published online June 25, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.245
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AbstractAbstract PDF
Background

The incidence of early colorectal epithelial neoplasm (ECEN) is increasing, and its pathologic diagnosis is important for patient care. We investigated the incidence of ECEN and the current status of its pathologic diagnosis.

Methods

We collected datasheets from 25 institutes in Korea for the incidence of colorectal adenoma with high grade dysplasia (HGD) and low grade dysplasia in years 2005, 2007, and 2009; and early colorectal carcinoma in the year 2009. We also surveyed the diagnostic terminology of ECEN currently used by the participating pathologists.

Results

The average percentage of diagnoses of adenoma HGD was 7.0%, 5.0%, and 3.4% in years 2005, 2007, and 2009, respectively. The range of incidence rates of adenoma HGD across the participating institutes has gradually narrowed over the years 2005 to 2009. The incidence rate of early colorectal carcinoma in the year 2009 was 21.2%. The participants did not share a single criterion or terminology for the diagnosis of adenoma HGD. The majority accepted the diagnostic terms that distinguished noninvasive, mucosal confined, and submucosal invasive carcinoma.

Conclusions

Further research requirements suggested are a diagnostic consensus for the histopathologic diagnosis of ECEN; and standardization of diagnostic terminology critical for determining the disease code.

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  • Diminutive and Small Colorectal Polyps: The Pathologist's Perspective
    Yun Kyung Kang
    Clinical Endoscopy.2014; 47(5): 404.     CrossRef
Proposal for a Standardized Pathology Report of Gastroenteropancreatic Neuroendocrine Tumors: Prognostic Significance of Pathological Parameters
Mee-Yon Cho, Jin Hee Sohn, So Young Jin, Hyunki Kim, Eun Sun Jung, Mi-Jung Kim, Kyoung-Mee Kim, Woo Ho Kim, Joon Mee Kim, Yun Kyung Kang, Joon Hyuk Choi, Dae Young Kang, Youn Wha Kim, Eun Hee Choi
Korean J Pathol. 2013;47(3):227-237.   Published online June 25, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.227
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AbstractAbstract PDF
Background

There is confusion in the diagnosis and biological behaviors of gastroenteropancreatic neuroendocrine tumors (GEP-NETs), because of independently proposed nomenclatures and classifications. A standardized form of pathology report is required for the proper management of patients.

Methods

We discussed the proper pathological evaluation of GEP-NET at the consensus conference of the subcommittee meeting for the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists. We then verified the prognostic significance of pathological parameters from our previous nationwide collection of pathological data from 28 hospitals in Korea to determine the essential data set for a pathology report.

Results

Histological classification, grading (mitosis and/or Ki-67 labeling index), T staging (extent, size), lymph node metastasis, and lymphovascular and perineural invasion were significant prognostic factors and essential for the pathology report of GEP-NET, while immunostaining such as synaptophysin and chromogranin may be optional. Furthermore, the staging system, either that of the 2010 American Joint Cancer Committee (AJCC) or the European Neuroendocrine Tumor Society (ENETS), should be specified, especially for pancreatic neuroendocrine neoplasms.

Conclusions

A standardized pathology report is crucial for the proper management and prediction of prognosis of patients with GEP-NET.

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    Dong-Wook Kang, Baek-hui Kim, Joon Mee Kim, Jihun Kim, Hee Jin Chang, Mee Soo Chang, Jin-Hee Sohn, Mee-Yon Cho, So-Young Jin, Hee Kyung Chang, Hye Seung Han, Jung Yeon Kim, Hee Sung Kim, Do Youn Park, Ha Young Park, So Jeong Lee, Wonae Lee, Hye Seung Lee,
    Journal of Pathology and Translational Medicine.2021; 55(4): 247.     CrossRef
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    Jiwoon Choi, Kyong Joo Lee, Sung Hoon Kim, Mee‐Yon Cho
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    Bohyun Kim, Han-Seong Kim, Kyung Chul Moon
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    Jae Hee Cho, Ji Kon Ryu, Si Young Song, Jin-Hyeok Hwang, Dong Ki Lee, Sang Myung Woo, Young-Eun Joo, Seok Jeong, Seung-Ok Lee, Byung Kyu Park, Young Koog Cheon, Jimin Han, Tae Nyeun Kim, Jun Kyu Lee, Sung-Hoon Moon, Hyunjin Kim, Eun Taek Park, Jae Chul Hw
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    Hong Shen, Zhuo Yu, Jing Zhao, Xiu-Zhen Li, Wen-Sheng Pan
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    Joo Young Kim, Seung-Mo Hong
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    Koji Takumi, Yoshihiko Fukukura, Michiyo Higashi, Junnichi Ideue, Tomokazu Umanodan, Hiroto Hakamada, Ichiro Kanetsuki, Takashi Yoshiura
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    Jean-Yves Scoazec, Anne Couvelard
    Annales de Pathologie.2014; 34(1): 40.     CrossRef
  • Spectrum of Gastroenteropancreatic NENs in Routine Histological Examinations of Bioptic and Surgical Specimen: A Study of 161 Cases Collected from 17 Departments of Pathology in the Czech Republic
    Václav Mandys, Tomáš Jirásek
    Gastroenterology Research and Practice.2014; 2014: 1.     CrossRef
  • p27 Loss Is Associated with Poor Prognosis in Gastroenteropancreatic Neuroendocrine Tumors
    Hee Sung Kim, Hye Seung Lee, Kyung Han Nam, Jiwoon Choi, Woo Ho Kim
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Update on the Proposal for Creating a Guideline for Cancer Registration of the Gastrointestinal Tumors (I-2)
Eun Sun Jung, Yun Kyung Kang, Mee-Yon Cho, Joon Mee Kim, Won Ae Lee, Hee Eun Lee, Sunhoo Park, Jin Hee Sohn, So-Young Jin
Korean J Pathol. 2012;46(5):443-453.   Published online October 25, 2012
DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.5.443
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AbstractAbstract PDF
Background

Cancer registries play a fundamental role in cancer control and multicenter collaborative research. Recently, the need for reassessment of cancer registry criteria has arisen due to the newly released 2010 World Health Organization (WHO) classification. Accordingly, development of new coding guidelines for cancer is necessary to improve the quality of cancer registries, as well as to prevent conflicts that may arise when seeking medical insurance compensation.

Methods

With funding from the Management Center for Health Promotion, 35 members of the Gastrointestinal Pathology Study Group and the Cancer Registration Committee of the Korean Society of Pathologists (KSP) participated in a second workshop for gastrointestinal tumor registration in Korea.

Results

The topics of gastric epithelial tumor, colonic intramucosal carcinoma, neuroendocrine tumor (NET), gastrointestinal stromal tumor (GIST) and appendiceal mucinous tumor were discussed for new coding guidelines. A survey was then conducted among 208 members of the KSP for a consensus of the guidelines proposed in the workshop.

Conclusions

Although a few issues were set aside for further discussion, such as coding for non-gastric GIST and some types of NET, the members agreed upon most of the proposed guidelines. Therefore, we suggest using the newly revised International Classification of Diseases for Oncology, 3rd edition (ICD-O-3) coding guidelines for registering gastrointestinal tumors in Korea.

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    Zhiyan Fu, Chunlai Zuo, Christine E. Sheehan, Deepa T. Patil, Jingmei Lin, Zhaohai Yang, Hwajeong Lee
    Applied Immunohistochemistry & Molecular Morphology.2019; 27(6): 454.     CrossRef
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    Ho Suk Kang, Mi Jung Kwon, Tae-Hwan Kim, Junhee Han, Young-Su Ju
    Pathology - Research and Practice.2019; 215(11): 152642.     CrossRef
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    Yuda Handaya, Sutamto Wibowo, Iwan Kristian
    Open Journal of Gastroenterology.2016; 06(04): 97.     CrossRef
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    American Journal of Surgical Pathology.2015; 39(5): 632.     CrossRef
  • Diagnostic Coding for Intramucosal Carcinoma and Neuroendocrine Tumor in the Colorectum: Proposal for Avoiding Confusing Coding in Korea
    Dong Soo Han, Jin Hee Sohn, Jeong-Sik Byeon, Hwang Choi, Joon Mee Kim
    Clinical Endoscopy.2015; 48(3): 216.     CrossRef
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    Jin Hee Sohn, Mee-Yon Cho, Yangsoon Park, Hyunki Kim, Woo Ho Kim, Joon Mee Kim, Eun Sun Jung, Kyoung-Mee Kim, Jae Hyuk Lee, Hee Kyung Chan, Do Youn Park, Mee Joo, Sujin Kim, Woo Sung Moon, Mi Seon Kang, So-Young Jin, Yun Kyung Kang, Sun Och Yoon, HyeSeung
    Cancer Research and Treatment.2015; 47(4): 813.     CrossRef
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    Yun Kyung Kang
    Clinical Endoscopy.2014; 47(5): 404.     CrossRef
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    Eun Young Kim, Il Ju Choi, Kwang An Kwon, Ji Kon Ryu, Seok Ho Dong, Ki Baik Hahm
    Clinical Endoscopy.2014; 47(4): 285.     CrossRef
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    Yun Kyung Kang, So-Young Jin, Mee Soo Chang, Jung Yeon Kim, Gyeong Hoon Kang, Hye Seung Lee, Jin Hee Sohn, Ho Sung Park, Kye Won Kwon, Mi Jin Gu, Young Hee Maeng, Jong Eun Joo, Haeng Ji Kang, Hee Kyung Kim, Kee-Taek Jang, Mi Ja Lee, Hee Kyung Chang, Joon
    Korean Journal of Pathology.2013; 47(3): 245.     CrossRef
  • Expression of metallothionein‐1 and metallothionein‐2 as a prognostic marker in hepatocellular carcinoma
    Yangsoon Park, Eunsil Yu
    Journal of Gastroenterology and Hepatology.2013; 28(9): 1565.     CrossRef
A Proposal for Creating a Guideline for Cancer Registration of the Fibromatosis, PEComa Group, Malignant Lymphoma In Situ and Dendritic Cell Tumors (III)
Changyoung Yoo, Chang Suk Kang, Yoon La Choi, Hye Yoon Kang, Jin Man Kim, Young Hye Koh, Joo Hee Lee, Seung Sook Lee, In Sun Kim, Dong Hoon Kim, Yong Ku Park, Jin Hee Sohn
Korean J Pathol. 2012;46(5):436-442.   Published online October 25, 2012
DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.5.436
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AbstractAbstract PDF
Background

Understanding the biologic behavior of a tumor is a prerequisite for tumor registration code assignment. The aim of this report was to propose appropriate behavior codes of the International Classification of Disease Oncology 3 (ICD-O3) to rare, yet pathologically interesting hematopoietic and soft tissue tumors.

Methods

The Study Group for Hematopathology, the Bone and Soft Tissue Pathology Study Group, and the Cancer Registration Committee prepared the questionnaire containing provisional behavior codes of selected diseases.

Results

In situ lesions of mantle cell and follicular lymphomas, dendritic cell tumors, and neoplasms with perivascular epithelioid cell differentiation (PEComa), not otherwise specified were classified as malignant (-/3). The fibromatosis group, with the exception of lipofibromatosis, was proposed as benign (-/0). Lipofibromatosis and several diseases that belong to the PEComa group were proposed as uncertain malignant potential (-/1). For the hematologic and soft tissue tumors, 274 and 288 members of the Korean Society of Pathologists, respectively, provided opinions through questionnaire, and most responders showed agreement with the provisional behavior code proposed.

Conclusions

The determination of behavior codes for the rare diseases described in this study, especially those of the PEComa group or malignant lymphoma, could be viewed as impractical and premature, but this study provides the basis for future research on this topic.

Case Report
Extranodal Follicular Dendritic Cell Sarcoma with Rapid Growth in Parapharynx: A Case Report
Jung-Soo Pyo, Guhyun Kang, Sung-Im Do, Seoung Wan Chae, Kyungeun Kim, Sang Hyuk Lee, Yoon-La Choi, Joon Hyuk Choi, Jin Hee Sohn, Dong-Hoon Kim
Korean J Pathol. 2012;46(3):306-310.   Published online June 22, 2012
DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.3.306
  • 8,850 View
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  • 9 Crossref
AbstractAbstract PDF

Follicular dendritic cell sarcoma (FDCS) is a rare malignancy arising from the antigen-presenting cells in the lymph node and extranodal tissue. We describe a 31-year-old male patient who presented with a swelling of the left parapharynx. The radiologic findings showed a 4.7×4.5×1.9 cm-sized, ill-defined mass in the left parapharyngeal space. A fine-needle aspiration cytology was performed and it showed scattered, irregular, cohesive clusters of tumor cells with a spindle-to-ovoid shape with irregular contours in a background of lymphocytes. Based on these findings, a diagnosis of spindle cell neoplasm was made. The surgically resected tumor was composed of elongated, ovoid or polygonal cells showing positive immunohistochemistry for CD21, CD23, and CD35. Postoperatively, the residual tumor was observed to undergo a rapidly growth. There is an overlap in the cytologic and histologic findings between FDCS of the parapharynx and other tumors. Pathologists should therefore be aware of its characteristics not only to provide an accurate diagnosis but also to recommend the appropriate clinical management.

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    Nasir Ud Din, Zubair Ahmad, Shabina Rahim, Karen Fritchie, Muhammad Usman Tariq, Arsalan Ahmed
    International Journal of Surgical Pathology.2023; 31(6): 1067.     CrossRef
  • Cytomorphology of follicular dendritic cell sarcoma: a report of 7 cases with an emphasis on the diagnostic challenges
    Cody Weimholt, Jalal B. Jalaly, Cedric Bailey
    Journal of the American Society of Cytopathology.2023; 12(3): 229.     CrossRef
  • Follicular dendritic cells
    Seham A. Abd El‐Aleem, Entesar Ali Saber, Neven M. Aziz, Hani El‐Sherif, Asmaa M. Abdelraof, Laiche Djouhri
    Journal of Cellular Physiology.2022; 237(4): 2019.     CrossRef
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    Xing Zhao, Dayong Sun, Gang Zhang
    Oncology Letters.2021;[Epub]     CrossRef
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    A. Dutta, P. Arun, P. Roy, I. Arun
    Cytopathology.2018; 29(5): 461.     CrossRef
  • Follicular dendritic cells and related sarcoma
    Fabio Facchetti, Luisa Lorenzi
    Seminars in Diagnostic Pathology.2016; 33(5): 262.     CrossRef
  • Extranodal follicular dendritic cell sarcoma: A clinicopathological report of four cases and a literature review
    RUI-FEN WANG, WEI HAN, LEI QI, LI-HUI SHAN, ZHENG-CAI WANG, LI-FENG WANG
    Oncology Letters.2015; 9(1): 391.     CrossRef
  • Follicular Dendritic Cell Sarcoma of Parapharyngeal Space: A Case Report and Review of the Literature
    Turki Al-Hussain, Muhammad Saleem, Suresh Babu Velagapudi, Mohammad Anas Dababo
    Head and Neck Pathology.2015; 9(1): 135.     CrossRef
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    Ji Li, Min-Li Zhou, Shui-Hong Zhou
    Hematology.2015; 20(10): 571.     CrossRef
Original Articles
Proposal for Creating a Guideline for Cancer Registration of Microinvasive Tumors of the Breast and Ovary (II)
Jin Hee Sohn, Gyungyub Gong, Kyu Rae Kim, Chang Suk Kang, Youn Soo Lee, Jin Man Kim, Woo Hee Jung, Kwang Sun Suh
Korean J Pathol. 2012;46(3):226-232.   Published online June 22, 2012
DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.3.226
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  • 2 Crossref
AbstractAbstract PDF
Background

Cancer registration in Korea has a longer than 30-years of history, during which time cancer registration has improved and become well-organized. Cancer registries are fundamental for cancer control and multi-center collaborative research. However, there have been discrepancies in assigning behavior codes. Thus, we intend to propose appropriate behavior codes for the International Classification of Disease Oncology, 3rd edition (ICD-O-3) for microinvasive tumors of the ovary and breast not only to improve the quality of the cancer registry but also to prevent conflicts.

Methods

As in series I, two pathology study groups and the Cancer Registration Committee of the Korean Society of Pathologists (KSP) participated. To prepare a questionnaire on provisional behavior code, the relevant subjects were discussed in the workshop, and consensus was obtained by convergence of opinion from members of KSP.

Results

Microinvasive tumor of the breast should be designated as a microinvasive carcinoma which was proposed as malignant tumor (/3). Serous borderline tumor with microinvasion of the ovary was proposed as borderline tumor (/1), and mucinous borderline tumor with microinvasion of the ovary as either borderline (/1) or carcinoma (/3) according to the tumor cell nature.

Conclusions

Some issues should be elucidated with the accumulation of more experience and knowledge. Here, however, we present our second proposal.

Citations

Citations to this article as recorded by  
  • Update on the Proposal for Creating a Guideline for Cancer Registration of the Gastrointestinal Tumors (I-2)
    Eun Sun Jung, Yun Kyung Kang, Mee-Yon Cho, Joon Mee Kim, Won Ae Lee, Hee Eun Lee, Sunhoo Park, Jin Hee Sohn, So-Young Jin
    Korean Journal of Pathology.2012; 46(5): 443.     CrossRef
  • A Proposal for Creating a Guideline for Cancer Registration of the Fibromatosis, PEComa Group, Malignant LymphomaIn Situand Dendritic Cell Tumors (III)
    Changyoung Yoo, Chang Suk Kang, Yoon La Choi, Hye Yoon Kang, Jin Man Kim, Young Hye Koh, Joo Hee Lee, Seung Sook Lee, In Sun Kim, Dong Hoon Kim, Yong Ku Park, Jin Hee Sohn
    Korean Journal of Pathology.2012; 46(5): 436.     CrossRef
Comparison of Liquid-based (SurePath(TM)) and Conventional Preparations in Thyroid Fine Needle Aspiration.
Seoung Wan Chae, Sun Hee Kim, Hee Dae Park, Woon Sun Park, Young Hye Cho, Sung Hee Kang, Dong Hoon Kim, Jin Hee Sohn
Korean J Pathol. 2010;44(6):651-656.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.651
  • 5,311 View
  • 30 Download
  • 1 Crossref
AbstractAbstract PDF
BACKGROUND
The aim of this study was to evaluate differences in cytologic findings between conventional preparation (CP) and SurePath(TM) liquid-based preparation (LBP) in thyroid fine needle aspiration (FNA).
METHODS
We analyzed cytological features on a total of 182 thyroid FNAs (83 CP and 99 LBP) that were histologically confirmed as nodular hyperplasia (NH) or papillary carcinoma (PAC).
RESULTS
LBP was superior in cellular preservation and cellularity than CP. Interestingly, in LBP, cellularity of NH was similarly high compared to that of PAC. The three-dimensional pattern was more prominent in LBP than in CP. The presence of follicle structures was more frequently found in LBP than in CP in the PAC group. Dispersed single cells in the background were more prominent in LBP than in CP. In the PAC group, contrast of the nuclear membrane was more distinctive in CP than in LBP.
CONCLUSIONS
In thyroid FNA, LBP is better for cellular preservation, cellularity, background and nuclear detail than CP. However, some features in LBP such as high cellularity in NH, prominent dispersed single cells, and frequent follicle patterns were unfamiliar findings in CP. Hence, we should be aware of these cytomorphologic features in LBP to make a proper diagnosis.

Citations

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  • Comparison of EASYPREP® and SurePath® in thyroid fine‐needle aspiration
    Yosep Chong, Ki Hyun Baek, Jee Young Kim, Tae‐Jung Kim, Eun Jung Lee, Chang Suk Kang
    Diagnostic Cytopathology.2016; 44(4): 283.     CrossRef
Prevalence and Genotype Distribution of Cervical Human Papillomavirus DNA in Korean Women: A Multicenter Study.
Sung Ran Hong, In Sun Kim, Dong Won Kim, Mi Jin Kim, Ae Ree Kim, Young Ok Kim, Hye Sun Kim, Seo Hee Rha, Gyeong Sin Park, Yong Koo Park, Yong Wook Park, Ho Sung Park, Kwang Sun Suh, Jin Hee Sohn, Mi Kyung Shin, Hoon Kyu Oh, Ki Jung Yun, Hye Kyoung Yoon, Shi Nae Lee, Ah Won Lee, Hyo Jin Lee, Hyun Yee Cho, Chan Choi, Woon Won Jung
Korean J Pathol. 2009;43(4):342-350.
DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.4.342
  • 6,506 View
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  • 16 Crossref
AbstractAbstract PDF
Background
DNA prevalence and type distribution of human papillomavirus (HPV) varies geographically. We investigated HPV prevalence and type distribution in Korean women using the MyHPV DNA chip testing. Methods: A total of 2,368 women from five regions of the country underwent Pap smear examination and MyHPV chip testing. Results: Overall HPV positivity was 15.8% and 78.4% in women with normal and abnormal cytology, respectively. High-risk HPV infection was strongly correlated with cytological atypia. In women with abnormal cytology, the five most common HPV types were 16, 58, 18, 52, and 56/53, and HPV16 was significantly the most common type in most geographical regions. After HPV16, HPV58, and 52 were the next most frequently detected types. Women with normal cytology, in contrast, showed heterogeneity in HPV type distribution. High-grade intraepithelial lesions infected with HPV16, 18, 31 or 45 are more likely to progress to carcinoma. Conclusions: The HPV chip test can provide useful data regarding HPV positivity and type. The most common HPV type in Korean women with abnormal cytology is HPV16, with HPV58 and 52 being frequently present. Our data may have important implications for vaccination programs and the development of cervical screening.

Citations

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  • HPV genotyping by L1 amplicon sequencing of archived invasive cervical cancer samples: a pilot study
    Charles D. Warden, Preetam Cholli, Hanjun Qin, Chao Guo, Yafan Wang, Chetan Kancharla, Angelique M. Russell, Sylvana Salvatierra, Lorraine Z. Mutsvunguma, Kerin K. Higa, Xiwei Wu, Sharon Wilczynski, Raju Pillai, Javier Gordon Ogembo
    Infectious Agents and Cancer.2022;[Epub]     CrossRef
  • Enhanced disease progression due to persistent HPV-16/58 infections in Korean women: a systematic review and the Korea HPV cohort study
    Jaehyun Seong, Sangmi Ryou, JeongGyu Lee, Myeongsu Yoo, Sooyoung Hur, Byeong-Sun Choi
    Virology Journal.2021;[Epub]     CrossRef
  • Comparison of FFPE histological versus LBP cytological samples for HPV detection and typing in cervical cancer
    Geehyuk Kim, Hyemi Cho, Dongsup Lee, Sunyoung Park, Jiyoung Lee, Hye-young Wang, Sunghyun Kim, Kwang Hwa Park, Hyeyoung Lee
    Experimental and Molecular Pathology.2017; 102(2): 321.     CrossRef
  • Distribution of Oncogenic Human Papillomavirus Genotypes at High Grade Cervical Lesions above CIN 2 Grade with Histological Diagnosis
    Geehyuk Kim, Sungyoung Park, Hye-young Wang, Sunghyun Kim, Sangjung Park, Kwangmin Yu, Boohyung Lee, Seung-Ju Ahn, Eun-Joong Kim, Dongsup Lee
    Biomedical Science Letters.2016; 22(2): 37.     CrossRef
  • Human Papillomavirus Prevalence and Genotype Distribution in Normal and ASCUS Specimens: Comparison of a Reverse Blot Hybridization Assay with a DNA Chip Test
    Sunghyun Kim, In-soo Lee, Dongsup Lee
    Biomedical Science Letters.2015; 21(1): 32.     CrossRef
  • Genotype Analysis of Human Papilloma Virus Infection in Accordance with Cytological Diagnoses
    Mi-Suk Park, Hyun-Wook Cho, Jin-Gak Kim, Nan-Young Bae, Dong-Sun Oh, Ho-Hyun Park
    Korean Journal of Clinical Laboratory Science.2015; 47(1): 39.     CrossRef
  • Comparison of the Cobas 4800 HPV and HPV 9G DNA Chip Tests for Detection of High-Risk Human Papillomavirus in Cervical Specimens of Women with Consecutive Positive HPV Tests But Negative Pap Smears
    Sun-Young Jun, Eun Su Park, Jiyoung Kim, Jun Kang, Jae Jun Lee, Yoonjin Bae, Sang-Il Kim, Lee-So Maeng, Magdalena Grce
    PLOS ONE.2015; 10(10): e0140336.     CrossRef
  • Uncommon and Rare Human Papillomavirus Genotypes Relating to Cervical Carcinomas
    Na Rae Kim, Myunghee Kang, Soon Pyo Lee, Hyunchul Kim, Jungsuk An, Dong Hae Chung, Seung Yeon Ha, Hyun Yee Cho
    Korean Journal of Pathology.2014; 48(1): 43.     CrossRef
  • Evaluation of Human Papillomavirus Genotyping from Formalin-fixed Paraffin-embedded Specimens in Cervical Cancers
    Hyunwoo Jin
    Journal of Life Science.2014; 24(9): 1025.     CrossRef
  • Comparative Evaluation of the HPV28 Detection and HPV DNA Chip Test for Detecting and Genotyping Human Papillomaviruses
    Eunsim Shin, Heojin Bae, Wan-Keun Song, Sun-Kyung Jung, Yoo-Sung Hwang
    Laboratory Medicine Online.2013; 3(4): 234.     CrossRef
  • Significance of HPV-58 Infection in Women Who Are HPV-Positive, Cytology-Negative and Living in a Country with a High Prevalence of HPV-58 Infection
    Joon Seon Song, Eun Ju Kim, Jene Choi, Gyungyub Gong, Chang Ohk Sung, Robert D. Burk
    PLoS ONE.2013; 8(3): e58678.     CrossRef
  • REBA HPV‐ID® for efficient genotyping of human papillomavirus in clinical samples from Korean patients
    Sunghyun Kim, Dongsup Lee, Sangjung Park, Tae Ue Kim, Bo‐Young Jeon, Kwang Hwa Park, Hyeyoung Lee
    Journal of Medical Virology.2012; 84(8): 1248.     CrossRef
  • Dynamin 2 expression as a biomarker in grading of cervical intraepithelial neoplasia
    Yoo-Young Lee, Sang Yong Song, In-Gu Do, Tae-Joong Kim, Byoung-Gie Kim, Jeong-Won Lee, Duk-Soo Bae
    European Journal of Obstetrics & Gynecology and Reproductive Biology.2012; 164(2): 180.     CrossRef
  • Cytomorphologic Features According to HPV DNA Type in Histologically Proven Cases of the Uterine Cervix
    In Ho Choi, So-Young Jin, Dong Wha Lee, Dong Won Kim, Yoon Mi Jeen
    The Korean Journal of Pathology.2011; 45(6): 612.     CrossRef
  • Human Papillomavirus Prevalence in Gangwon Province Using Reverse Blot Hybridization Assay
    Dongsup Lee, Sunghyun Kim, Sangjung Park, Hyunwoo Jin, Tae Ue Kim, Kwang Hwa Park, Hyeyoung Lee
    The Korean Journal of Pathology.2011; 45(4): 348.     CrossRef
  • Pediatric vulvar squamous cell carcinoma in a liver transplantation recipient: a case report
    Na-Rae Kim, Soyi Lim, Hyun Yee Cho
    Journal of Gynecologic Oncology.2011; 22(3): 207.     CrossRef
Case Report
Fine Needle Aspiration Cytology of Kuttner Tumor of the Submandibular Gland: A Case Report.
Dong Hoon Kim, Jin Hee Sohn, Seoung Wan Chae, Min Kyung Kim, Kyungbun Lee, Seong Hee Kang, Young Hye Cho, Sang Hyuk Lee
Korean J Pathol. 2009;43(2):195-198.
DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.2.195
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AbstractAbstract PDF
Kuttner tumor is a relatively uncommon benign tumor-like lesion of the salivary gland that clinically mimics neoplasm because of its presentation as a hard mass. It is also known as chronic sclerosing sialadenitis or cirrhosis of the submandibular gland. We present here the aspiration cytological findings of a case of Kuttner tumor in a 58-year old woman. The aspiration specimen of this lesion showed numerous lymphoid cells that were similar to lymph node aspirates, with several scattered benign ductal cells and eosinophilic fibrous tissue. The lymphoid cells were composed of mature bland lymphocytes and follicular center cells. Any acinar cells were not identified. The excised mass was ill-demarcated, hard and fibrotic, and it histologically exhibited an intense lymphocytic infiltration with irregular lymphoid follicle formation, dense periductal and stromal sclerosis, and loss of acini. No evidence of neoplasm or sialolithiasis was discovered, and this led to the diagnosis of Kuttner tumor.
Original Articles
Correlation Analysis Between Cervicovaginal Cytologic and Histopathologic Diagnoses in Cervical Squamous Cell Neoplasm.
Kyoung Bun Lee, Woon Sun Park, Jin Hee Sohn, Min Kyung Kim, Dong Hoon Kim, Hee Sung Kim, Seoung Wan Chae, Sung Hee Kang, Young Hye Cho, Hee Dae Pak, Sun Hee Kim
Korean J Pathol. 2009;43(2):157-163.
DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.2.157
  • 4,415 View
  • 26 Download
  • 3 Crossref
AbstractAbstract PDF
BACKGROUND
The aim of this study was to confirm the usefulness of cervicovaginal smears in the screening of squamous cell neoplasms of the uterine cervix by comparative analysis between the cytologic diagnosis of cervicovaginal smears and the histologic diagnosis of tissue specimens.
METHODS
We selected 743 patients who had both cervicovaginal smears and histologic evaluations of the uterine cervix by colposcopic biopsy, conization, or hysterectomy at the Kangbuk Samsung Medical Center between January 2005 and December 2007.
RESULTS
The accuracy rate of cervicovaginal smears and histologic diagnoses was 93.0% (691/743) and showed a high correspondence (kappa value, 0.770, p-value, 0.000). The false-negative and false-positive rates were 0.5% (6/484) and 17.8% (46/259), respectively. The sampling and interpretation errors were identified in four and two cases of six false-negative cases and 29 and 17 cases of 46 false-positive cases, respectively. In screening high grade squamous cell neoplasms, there were no false-negative cases and only one false-positive case which resulted from sampling error. The false-negative rate of cervicovaginal smears and the false-positive rate in high-grade squamous cell neoplsams were very low.
CONCLUSIONS
The cervicovaginal smear is a powerful tool for screening of cervical squamous cell neoplasms.

Citations

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  • Overall accuracy of cervical cytology and clinicopathological significance of LSIL cells in ASC‐H cytology
    S. H. Kim, J. M. Lee, H. G. Yun, U. S. Park, S. U. Hwang, J.‐S. Pyo, J. H. Sohn
    Cytopathology.2017; 28(1): 16.     CrossRef
  • Clinical Validation of Anyplex II HPV HR Detection Test for Cervical Cancer Screening in Korea
    Sunkyung Jung, Byungdoo Lee, Kap No Lee, Yonggoo Kim, Eun-Jee Oh
    Archives of Pathology & Laboratory Medicine.2016; 140(3): 276.     CrossRef
  • Incidental Finding of Abnormal Cervical Pathology in Hysterectomy Specimens after Normal Preoperative Papanicolaou Smears in Thammasat University Hospital
    Pong-Anan Chundarat, Komsun Suwannarurk, Kornkarn Bhamarapravatana, Junya Pattaraarchachai, Yuthadej Thaweekul, Karicha Mairaing, Yenrudee Poomtavorn
    Asian Pacific Journal of Cancer Prevention.2014; 15(14): 5811.     CrossRef
The Relationship between Prognostic Factors and the Expression Pattern of Fascin and E-cadherin in Renal Cell Carcinoma.
Sung Hee Kang, Seoung Wan Chae, Kyoung Bun Lee, Dong Hoon Kim, Min Kyoung Kim, Jin Hee Sohn
Korean J Pathol. 2009;43(2):139-144.
DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.2.139
  • 3,550 View
  • 19 Download
AbstractAbstract PDF
BACKGROUND
Fascin is associated with motility in various transformed cells. Overexpression of fascin is known to aid in the progression of some cancers and is associated with a poor prognosis. E-cadherin is a major protein of epithelial cells and its expression is involved in the regulation of cell proliferation and differentiation. The aim of this study was to determine the expression pattern for fascin and E-cadherin and how it is related to the prognostic factors for renal cell carcinoma (RCC).
METHODS
The expression of fascin and E-cadherin was evaluated in 208 RCCs including 175 clear cell, 20 papillary, and 9 chromophobe types using tissue array analysis.
RESULTS
The expression of fascin increased as the tumor stage (p=0.00) and Fuhrman grade (p=0.00) increased. A high positive rate of expression for fascin was observed in cases with sarcomatoid changes (p=0.27). E-cadherin expression was seen in the distal tubules and collecting ducts of normal kidneys with a membranous pattern. The positive rate of expression for E-cadherin increased as the Fuhrman grade increased (1, 0%; 2, 23.2%; 3, 34.9%; and 4, 53.8%, p=0.00). An inverse correlation in RCCs was observed in the expression of fascin and E-cadherin (p=0.026, r=-0.158).
CONCLUSIONS
In patients with RCC, the increased expression of fascin and E-cadherin was positively correlated to poor prognostic factors such as a higher Fuhrman nuclear grade and advanced pTNM stage.
Case Report
Fine Needle Aspiration Cytology of Invasive Ductal Carcinoma with Osteoclast-like Giant cells: A Case Report .
Eun Ha Jung, Hye Rim Park, Jin Hee Sohn
J Pathol Transl Med. 1998;9(2):221-226.
  • 2,753 View
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AbstractAbstract PDF
Malignant tumors of the breast with stromal multinucleated giant cells are rare entity of uncertain clinical significance. There have been few reports on the fine needle aspiration cytologic(FNAC) findings about these rare tumors. We report a FNAC case of invasive mammary carcinoma with osteoclast-like giant cells not only for its rare occurrence but in particular for its distinctive cytologic picture on aspirated material. The patient was a 40-year-old woman who presented with a right breast mass for one month. Mammography showed a well-demarcated rounded mass density without calcification. The aspirates of FNAC were highly cellular and two main cell types were seen; malignant epithelial cells and osteoclast-like multinucleated giant cells. The carcinoma cells occurred singly or arranged in loose clusters with ill-defined cytoplasm, oval nuclei, coarse chromatin and small but distinct nucleoli. The multinucleated giant cells showed variable number of nuclei with prominent nucleoli and abundant dense oxyphilic cytoplasm. The immunocytochemical studies suggested that osteoclast-like giant cells were not of epithelial origin, but rather of histiocytic origin.
Original Article
Polymorphic Reticulosis.
Duck Hwan Kim, Jin Hee Sohn, Sung Suk Paeng, Kyung Ha Kang, Jung Il Suh
Korean J Pathol. 1995;29(3):296-302.
  • 2,891 View
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AbstractAbstract PDF
Polymorphic reticulosis(PMR) is a unique clinicopathological entity of unknown etiology, which commonly present as an aggressive, necrotizing lesion of the upper respiratory tract. It is a separate nosologic entity from Wegener's granulomatosis and idiopathic mildine destructive disease. The origin of the cells composing polymorphic reticulosis has been controversial. We reviewed 15 cases of polymorphic reticulosis with respect to clinical and histologic bases, and immunohistochemical studies were done using UCHLI (CD45RO), as a T cell marker, CD-20 as a B cell marker and alpha- I -antichymotrypsin as a histiocytic marker. Almost all cases showed characteristic histologic and immunohistochemical features similar to those of peripheral T cell lymphoma. Thus, this study indidcated that polymorphic reticulosis is a type of malignant lymphoma of T cell lineage.
Case Report
Cytologic Findings of Infectious Mononucleosis Lymphadenitis: A Report of Four Cases .
Jin Hee Sohn, Eun Ha Jung, Hye Rim Park
J Pathol Transl Med. 1998;9(2):227-232.
  • 5,084 View
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AbstractAbstract PDF
Infectious mononucleosis(IM) is an acute self-limiting lymphoproliferative disorder associated with infection by the Epstein-Barr Virus(EBV), with the characteristic triad of fever, sore throat, and cervical or generalized lymphadenopathy. And also there are atypical lymphocytes in the peripheral blood. Cytological findings of IM lymphadenitis are characterized by a florid immunoblastic and atypical lymphoid cell proliferation. However, the small number of cases were studied by fineneedle aspiration cytology(FNAC) even though there was a complexity of lymph node pathology. It is important to recognize the reactive pattern of IM that would initiate EBV study and to avoid unnecessary biopsy. We studied findings of lymph node FNAC from 4 patients with EBV infection confirmed by EBV-specific serologic studies. All of the cases were positive for viral capsid antigen(VCA) and one case was positive for anti-EBV nuclear antigen(EBNA). Cytologically, all of the cases exhibited high cellularity and atypia with great numbers of large immunoblastic lymphocytes.
Original Article
Ki-1 Positive T-Cell Lymphoma of Bone in a Child.
Hye Seon Ahn, Gil Ro Han, Jin Hee Sohn, Jung Il Suh, Young Hyeh Ko
Korean J Pathol. 1989;23(4):470-475.
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AbstractAbstract PDF
Ki-1 monoclonal antibody is a well known marker for Reed-Sternberg cells in Hodgkin's disease, but also occasionally reacts with activated lymphoid cells of either benign or malignant nature. Recently, Ki-1 antibody positive Non-Hodgkin's lymphoma, usually of large cell and/or polymorphous type, has been reported in the lymph nodes, skin, soft tissue, and stomach, but not in the bone. We report a case of multifocal primary bone lymphoma in a seven-year old body involving the left shoulder and right frontal bone, which proved to be a large cell, polymorphous lymphoma, helper T-cell type expressing Ki-1 antigen.
Case Report
Amniotic Band Syndrome: An autopsy case report.
Hye Seon Ahn, Gil Ro Han, Jin Hee Sohn, Jung Il Suh
Korean J Pathol. 1989;23(4):482-486.
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AbstractAbstract PDF
We report an autopsy case of amniotic band syndrome exhibiting microcephaly, asymmetric encephalocele, microphthalmia, nasal deformity, cleft lip and palate accompanied by left maxillary and zygomatic bone deformities. The amniotic membrane of the placenta was also attached to the herniated brain. The twenty-year-old primigravid mother had no history of taking drug, irradiation, infection or trauma before or during pregnancy.
Original Article
Grading System for Gastric Epithelial Proliferative Diseases Standardized Guidelines proposed by Korean Study Group for Pathology of Digestive Diseases.
Hoguen Kim, So Young Jin, Ja June Jang, Woo Ho Kim, Sang Yong Song, Kyu Rae Kim, Eun Sil Yu, Hyung Sik Shin, Han Kyeom Kim, Jin Hee Sohn, Eun Kyung Hong, Youn Wha Kim, Jin Sook Jeong, Chang Jin Kim, Shin Eun Choi, In Suh Park, Chan Il Park, Yong Il Kim
Korean J Pathol. 1997;31(5):389-400.
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AbstractAbstract PDF
The assessment of epithelial changes in gastric mucosal biopsies has been one of the major problems caused by inconsistencies in and disagreements about nomenclature and interpretation. To resolve these issues, members of the Study Group for Pathology of Digestive Diseases reviewed microslides of 50 gastric lesions showing varying degrees of mucosal abnormality and reached the following consensus; 1) the proliferating gastric epithelium can be divided into hyperplastic and neoplastic; 2) the term "dysplasia" is reserved for the microscopic epithelial changes that are unequivocally neoplastic; 3) Biopsy specimens can be categorized as regenerative(negative for dysplasia), indefinite(questionable dysplasia), positive(positive for dysplasia) and overt carcinoma; 4) The positive category can be divided into two subgroups, high grade dysplasia and low grade dysplasia. Criteria for each grade are presented and discussed. We offer these guidelines for establishing the correct diagnosis of the gastric mucosal biopsy specimens and for prospective studies.
Case Report
Herpes Simplex Esophagitis: A report of two cases.
Eun Ha Jung, Hae Kyung Ahn, Jin Hee Sohn
Korean J Pathol. 1999;33(4):288-291.
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AbstractAbstract PDF
Herpes simplex esophagitis has been recognized with increased frequency as an opportunistic infection in immunosuppressed or debilitated patients. However, it is also documented as self-limited esophagitis in apparently healthy patients. We report two cases of herpetic esophagitis diagnosed by biopsies. One case was noted in an immunocompetent patient having gastric peptic ulcer who had clinical improvement with symptomatic treatment. And the other was noted in an immunosuppressed patient having chemotherapy for gastric carcinoma who had resolution of symptoms with acyclovir therapy. Histologically, esophageal mucosa exhibited erosion and inflammatory cellular exudate with intranuclear eosinophilic inclusions in the epithelial cells. These were confirmed by the PCR and immunohistochemical stain for herpes simplex virus using a biopsy material.
Original Article
Cytologic feature of papillary carcinoma of the thyroid.
Jeong Hee Park, Hee Jin Chang, Kyung Ha Kang, Jin Hee Sohn, Jung Il Suh
J Pathol Transl Med. 1991;2(2):111-118.
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AbstractAbstract PDF
No abstract available.
Case Report
Adenoid Cystic Carcinoma of the Breast: A case report.
Eun Ha Jung, Hye Rim Park, Jin Hee Sohn
Korean J Pathol. 1999;33(4):299-302.
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AbstractAbstract PDF
Adenoid cystic carcinoma (ACC) of the breast is an uncommon carcinoma accounting for less than 1% of the breast carcinoma. This type of carcinoma has a distinctive histology, such as cylindromatous, cribriform, glandlike space and solid pattern in the variable proportion. Prognosis is favorable with rare recurrence or metastasis and the guideline for therapy is not well established. We experienced a case of ACC of right breast in the 48 year-old woman. Cytologically, it showed numerous three-dimensional, well outlined cell clusters with central core of homogeneous, eosinophilic material. The mass was well demarcated, firm and measured 2.5 2.5 2 cm. Cut surface was yellowish white and granular with focal necrosis. Histologically, the tumor was composed of cylindromatous, adenoid and solid area with marked cellular atypia. Focal invasion was identified in the adipose tissue around the tumor. Histologic and nuclear grade was III by Kleer's grade. Nodal metastasis was not found.
Original Articles
Caspase 3 and Ki-67 Immunoreactivity and Its Correlation with Frequency of Apoptosis in Gastric Adenomas and Carcinomas.
Jin Hee Sohn, Seoung Wan Chae, Kyung Chan Choi, Hyung Sik Shin
Korean J Pathol. 2001;35(4):286-290.
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AbstractAbstract PDF
BACKGROUND
Apoptosis, also known as programmed cell death, is under genetic control and is mediated by apoptosis-specific genes, certain oncogenes and tumor suppressor genes. Caspase 3, a group of cystein proteases, is involved in the induction of apoptosis and has been considered to be correlated with apoptosis. Therefore, we tried to define whether caspase 3 is expressed in gastric adenoma and carcinoma, and correlated with apoptosis.
METHODS
The apoptotic index and caspase 3 and Ki-67 immunoreactivity were observed in 25 gastric adenomas, 31 early gastric carcinomas (EGC) and 64 advanced gastric carcinomas (AGC) by in situ labelling and immunohistochemistry. RESULTS: The mean number of apoptotic bodies and caspase 3 immunoreactivity were significantly increased from adenoma through EGC to AGC. Ki-67 immunoreactivity was more increased in AGC than in adenoma and EGC. And the number of apoptotic bodies were positively correlated with caspase 3 and Ki-67 immunoreactivity, and caspase 3 immunoreactivity was negatively correlated with Ki-67 immunoreactivity even though they were statistically insignificant.
CONCLUSIONS
Our results suggest that caspase 3 activation is important for inducing apoptosis, and both caspase 3 and apoptosis are increased along the tumor progression.
Histological Grading and Staging of Chronic Hepatitis Standardized Guideline Proposed by the Korean Study Group for the Pathology of Digestive Diseases .
Young Nyun Park, Ho guen Kim, Chae Yoon Chon, Jae Bok Park, Jin Hee Sohn, Seung Ha Yang, Eun Sil Yu, Mi Seon Lee, Ja June Jang, Hee Kyung Chang, Jong Jae Jeong, Dae Young Kang, Yong Il Kim, Chan Il Park
Korean J Pathol. 1999;33(5):337-346.
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AbstractAbstract PDF
The terms chronic active hepatitis (CAH), chronic persistent hepatitis (CPH), and chronic lobular hepatitis (CLH) should be discontinued in favor of etiologic terminology. The activity of necro-inflammation and the degree of fibrosis should be evaluated for grading the severity and for the stage of disease. Members of the Korean Study Group for the Pathology of Digestive Diseases reviewed 30 cases of chronic hepatitis and reached the following consensus: 1) The pathology report of the biopsy samples with features of chronic hepatitis should include the etiology, grade and stage. 2) Grade and stage should be semiquantitatively evaluated as none, minimal, mild, moderate and severe. 3) For grading, lobular activity and periportal activity should be evaluated, separately. 4) To avoid confusion with other grading systems, simple report using descriptive terms rather than numerical records is recommended in daily practice. Criteria for each grade and stage should be presented and discussed. Histologic grading and staging of chronic hepatitis by new standardized guidelines will give more information about the prognosis as well as the present status of hepatitis. The terms CAH, CPH and CLH may be used in parentheses to facilitate relearning.
Expression of pS2/TFF1 Protein in Normal Colonic Mucosa, Adenoma and Adenocarcinoma.
Seoung Wan Chae, Eun Yoon Cho, Eo Jin Kim, Jin Hee Sohn, Young Euy Park
Korean J Pathol. 2004;38(5):324-329.
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AbstractAbstract PDF
BACKGROUND
The trefoil factor 1 protein (pS2/TFF1) is a candidate tumor-suppressor protein, and it is a pleiotropic factor involved in the organization and homeostasis of the gastrointestinal tract and various inflammatory or neoplastic diseases. The purpose of this study was to assess the expression of pS2/TFF1 and its clinicopathologic relationship, including the p53 and Ki-67 labeling index, in colorectal carcinogenesis.
METHODS
The expression of pS2/TFF1 protein was evaluated immunohistochemically in 45 samples of normal colonic mucosa, 43 samples of adenoma and 186 samples of colorectal carcinoma.
RESULTS
pS2/TFF1 protein was expressed weakly in 37.8% of normal colonic mucosa samples, and it had a weak to strong expression in 48.8% of adenomas and 28% of colorectal adenocarcinomas. pS2/TFF1 expression in carcinoma was slightly increased in the poorly differentiated group compared with the well to moderately differentiated group (p=0.059). Interestingly, mucinous carcinoma (4/4) and signet ring cell carcinoma (2/3) showed significant increase of pS2/TFF1 expression. pS2/TFF1 expression was inversely correlated with the p53 protein expression and the Ki-67 labelling index (p<0.05). There was no significant correlation with the tumor size, metastasis or pathologic staging.
CONCLUSIONS
Overexpression of pS2/TFF1 expression in colorectal adenocarcinoma was inversely correlated with the Ki-67 labelling index and the p53 expression in cancer. These results suggest that pS2/TFF1 protein may contribute as tumor suppressor factor in colorectal adenocarcinoma.
A Study on the Expression of p53 and nm23 Protein in the Colorectal Adenoma and Carcinoma.
Jin Hee Sohn, Eun Ha Jung, Hye Rim Park, Young Eui Park
Korean J Pathol. 1997;31(6):508-516.
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AbstractAbstract PDF
The expression of the nuclear phosphoprotein p53, a product of tumor suppressor gene, has been noted in a number of human tumors as a tumor suppressor. nm23 is a gene associated with low tumor metastatic potential and has been proposed to be a metastasis suppressor gene. To assess the role of p53 and nm23 expression in colorectal tumorigenesis and the association with clinicopathological parameters, an immunohistochemical study for mutant p53 and nm23 was done using mouse monoclonal antibodies in 43 colorectal carcinomas, 55 tubular adenomas and corresponding normal mucosa. In the tubular adenomas, p53 expression was significantly correlated with the degree of atypism(p<0.05) but not with other variables as well as with nm23. In the colorectal carcinoma, there were evidence of some correlation between metastasis, laterality and p53; laterality, depth of invasion and nm23 expression, but without statistical significance. Other clinicopathologic features were not significantly correlated. In the aspect of 'adenoma-carcinoma sequence', normal mucosa was totally negative for both p53 and nm23, and they were increasingly expressed through tubular adenoma to carcinoma with statistical significance(p<0.05). Therefore, it is suggested that both p53 and nm23 expressions occur in and around the time of transition to carcinoma from adenoma but are not significantly associated with the infiltrative behavior and metastasis.
Case Report
Fine Needle Aspiration Cytology of Amyloid Goiter: A Case Report .
Seoung Wan Chae, Jin Hee Sohn, Eun Sook Nam, Duck Hwan Kim, Hyung Sik Shin
J Pathol Transl Med. 2000;11(2):109-114.
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AbstractAbstract PDF
Amyloid goiter is a rare disease entity that is defined as a symptomatic mass or clinically detectable thyroid enlargement because of amyloid deposition. We present a case of amyloid goiter diagnosed in the fine needle aspiration cytology(FNAC) in a 73-year-old Korean woman presented with nephrotic syndrome and thyroid enlargement. The thyroid function was in normal range. Thyroid scan showed a nodule, 4x2 cm in the right lobe with underlying diffuse goiter. Aspirates revealed benign looking follicular cells and scattered eosinophilic material. The sections of the cell block showed nodular deposit of eosinophilic hyalinized material in the interfollicular area. It showed apple-green birefringence under polarization with Congo red stain. The renal biopsy also exhibited deposition of eosinophilic materials in the glomeruli and interstitial vascular wall, which were confirmed as amyloidosis. This material was morphologically distinct from the colloid.
Original Articles
A Multiinstitutional Consensus Study on the Pathologic Diagnosis of Endometrial Hyperplasia and Carcinoma.
Kwang Sun Suh, Insun Kim, Moon Hyang Park, Geung Hwan Ahn, Jin Hee Sohn, In Ae Park, Hye Kyoung Yoon, Kyu Rae Kim, Hee Jung An, Dong Won Kim, Mi Jin Kim, Hee Jae Joo, Eun Kyung Kim, Young Hee Choi, Chong Woo Yoo, Kyung Un Choi, Sang Yeop Yi, Hye Sun Kim, Sung Ran Hong, Hee Jeong Lee, Sun Lee
Korean J Pathol. 2008;42(2):87-93.
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AbstractAbstract PDF
BACKGROUND
The purpose of this study was to examine the reproducibility of both the diagnosis of endometrial hyperplasia (EH) or adenocarcinoma, and the histologic grading (HG) of endometrioid adenocarcinoma (EC).
METHODS
Ninety-three cases of EH or adenocarcinomas were reviewed independently by 21 pathologists of the Gynecologic Pathology Study Group. A consensus diagnosis was defined as agreement among more than two thirds of the 21 pathologists.
RESULTS
There was no agreement on the diagnosis in 13 cases (14.0%). According to the consensus review, six of the 11 EH cases (54.5%) were diagnosed as EH, 48 of the 57 EC cases (84.2%) were EC, and 5 of the 6 serous carcinomas (SC) (83.3%) were SC. There was no consensus for the 6 atypical EH (AEH) cases. On the HG of EC, there was no agreement in 2 cases (3.5%). According to the consensus review, 30 of the 33 G1 cases (90.9%) were G1, 11 of the 18 G2 cases (61.1%) were G2, and 4 of the 4 G3 cases (100.0%) were G3.
CONCLUSIONS
The consensus study showed high agreement for both EC and SC, but there was no consensus for AEH. The reproducibility for the HG of G2 was poor. We suggest that simplification of the classification of EH and a two-tiered grading system for EC will be necessary.
Congenital Cystic Disease of the Lung.
Jin Hee Sohn, Je Geun Chi
Korean J Pathol. 1986;20(2):215-221.
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AbstractAbstract PDF
Congenital cyst of the lung is a type of rare pulmonary disease. This lesion was initially introduced by Morgagni in 1769. Thereafter many other cases were reported. Etiology or developemental pathogenesis of this lesion is not certain, but abnormal developement of embryonic lung bud during the embryonal period is highly suspected. This lesion is two times more frequently located at the left lung, but both sides of the lung may be involved. This lesion is largely asymptomatic and found incidentally but can be evoked respiratory symptoms and also can be died due to only this lesion. So accurate diagnosis and treatment in the early period are very important. Therefore, 32 cases of congenital cyst of the lung reported at the department of pathology, seoul national university hospital from 1. 1986 to 12. 1984 were reviewed and classified with clinical, gross and microscopic findings based on the Buntain's classification. Among 32 cases of congenital cyst of the lung, 16 cases were bronchogenic cysts and were largest in number, 8 cases were pulmonary sequestration, 6 cases were congenital cystic adenomatoid malformation (CCAM) and 2 cases were pulmonary emphysema. In cases of bronchogenic cyst, involved age was variable from 7 months to 51 years and large cases were asymptomatic. Grossly, 15 cases were solitary cyst and only one case was multiple. Size was also variable from 3 cm to 11.5 cm. Microscopically, cyst wall was lined by pseudostratified ciliated columnar epithelium with gobet cells, mucous secreting glands, smooth muscle fibers and fibrous interstitial tissue. Three cases were also exhibit cartilage at the wall. In cases of CCAM, there were involved below the 7 months old boys and girls. Four cases were confirmed at the autopsy, other 2 cases were confirmed at the surgical specimens which were found incidentally or due to generalized cyanosis. Microscopic findings were similar in all cases showing relatively well demarcated multiple small cysts with adenomatous proliferation. Lining epithelial cells were tall columnar, pseudostratified ciliated columnar epithelium with occasional mucous secretion. Stroma also exhibit adenomatous proliferation lined by simple columnar or cuboidal epithelium. In cases of pulmonary sequestration, 7 cases were intrapulmonary, other one case was extrapulmonary sequestration. In five cases, systemic large vessel were confirmed. Microscopically it was composed of irregularly dilated bronchiolar structures lined by pseudostratified ciliated columnar epithelium.
Multicenter Study
Porposal for Creating a Guideline for Cancer Registration of the Gastrointestinal Tumors (I).
Mee Yon Cho, Yun Kyung Kang, Kyoung Mee Kim, Hee Kyung Chang, Hee Jin Chang, Mee Soo Chang, Joon Mee Kim, Dae Young Kang, Chanil Park, Jin Hee Sohn
Korean J Pathol. 2008;42(3):140-150.
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AbstractAbstract PDF
BACKGROUND
Cancer registries are fundamental for cancer control and multicenter collaborative research. However, there have been discrepancies among pathologists in classifying cancer and assigning the codes according to the International Classification of Disease Oncology 3 (ICD-O3). To improve the quality of cancer registries as well as to prevent the conflict with medical insurance compensation, a guideline for the coding of cancer is mandatory.
METHODS
AND RESULTS: Funded by the Management Center for Health Promotion, 40 members of the Gastrointestinal Pathology Study Group and the Cancer Registration Committee of the Korean Society of Pathologists participated in the 1st workshop for gastrointestinal tumor registration. The subjects of gastric epithelial tumor, intramucosal carcinoma of the colon, carcinoid tumor, gastrointestinal stromal tumor and appendiceal mucinous tumor were discussed to create a guideline. A survey to obtain consensus for the guideline proposed by the workshop was carried out by the members of the Korean Society of Pathologists and 240 members completed the questionnaire.
CONCLUSION
Although there are some issues to be discussed further, such as coding of high grade dysplasia/adenoma and intramucosal carcinoma of stomach and colon, the members agreed upon most parts of the proposed guideline. Therefore, we suggest using the ICD-O3 coding guideline for gastrointestinal tumor.
Case Report
Cytophagic Histiocytic Panniculitis: 2 cases report.
Gil Ro Han, Hye Seon Ahn, In Sook Kim, Jin Hee Sohn, Jung Il Suh
Korean J Pathol. 1990;24(3):321-325.
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AbstractAbstract PDF
Cytophagic histiocytic panniculitis is a rescently described histiocytic disorder. It is characterized by the presence of fever, pancytopenia, and subcutaneous nodules resulting from the infiltration of lympho-histiocytes in the dermis and subcutaneous adipose tissue. The characteristic findings is presence of bean-bag histiocytes containing phagocytized red blood cells, lymphocytes, and platelets. We experienced two cases of cytophagic histiocytic panniculitis with hard and erythematous subcutaneous nodules. These skin lesions exhibited infiltration of the subcutaneous tissue by large, benign histiocytes with cytophagic features. Hemophagocytic histiocytes were observed in the cervical lymph node in case 1, and bone marrow in case 2. One patient is alive, while the other one died with hemorrhagic complications.
Original Articles
Cytologic Features of Soft Tissue Sarcoma in the Aspiration Biopsy Cytology.
Jin Hee Sohn, Duck Hwan Kim, Kyung Ha Kang, In Sook Kim, Jung Il Suh
J Pathol Transl Med. 1994;5(1):28-34.
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AbstractAbstract PDF
Aspiration biopsy cytology is a convenient, easy and non-invasive method for diagnosis of tumors. The results and cytologic features of carcinoma in various organs have been reported frequently, however, those of soft tissue sarcoma are relatively rare to find.
Diagnostic Correlation and Accuracy Between Fine Needle Aspiration Cytology and Histopathologic Examination.
Jin Hee Sohn, Seoung Wan Chae, Eun Yoon Cho, Eo Jin Kim
J Pathol Transl Med. 2003;14(2):53-59.
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AbstractAbstract PDF
Fine needle aspiration cytology (FNAC) has been known as a very sensitive and effective method for preoperative diagnosis. We studied cases preoperatively diagnosed by FNAC and confirmed by the histopathologic examination to define the effectiveness of FNAC. A total of 567 cases including breast, thyroid gland, lymph node, and soft tissue confirmed histologically after FNAC were enrolled, among 2,844 FNAC cases from January 1996 to March 2000. Overall sensitivity and specificity of FNAC were 93% and 100%, respectively. Sensitivity and specificity of FNAC by sites or organs were 91% and 100% in breast, 100% and 100% in thyroid, 97% and 100% in lymph node, and 71% and 100% in soft tissue, respectively. Nine cases showed diagnostic discrepancy; eight cases of sampling error and one case of interpretation error. Five cases, diagnosed as fibrocystic change at FNAC but invasive ductal carcinoma after the histopathologic examination, were categorized as sampling error due to the presence of diffuse fibrosis or deep seated location. One case of breast, diagnosed descriptively as atypical ductal and stromal cells suggesting invasive ductal carcinoma at FNAC but malignant phyllodes tumor histologically, was categorized as interpretation error. Other cases of sampling errors were two cases of soft tissue, a case of lymph node, and a case of salivary gland.
Case Report
Pneumatosis Cystoides Intestinalis of Adult Ileum: A Case Report.
Seoung Wan Chae, Hye Kyung Ahn, Jin Hee Sohn
Korean J Pathol. 2002;36(2):119-121.
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AbstractAbstract PDF
Pneumatosis cystoides intestinalis is an uncommon condition characterized by the presence of multiple gas-filled cysts within the gastrointestinal wall. This lesion occurs in association with a large variety of gastrointestinal and non-gastrointestinal conditions. Herein, we describe a case of pneumatosis cystoides intestinalis of the small intestine that developed in a 31-year-old man with a history of duodenal ulcer and pyloric stenosis. Emergency exploro-laparotomy was done due to a suspicion of ulcer perforation. Primary closure for duodenal ulcer perforation and segmental resection of ileum were done. Resected ileum showed diffuse sponge-like changes in the wall. Microscopically, variable-sized cystic lesions, lined by flat or multinucleated giant cells, were noted throughout the intestinal wall.
Original Article
Expression of Actin-bundling Protein Fascin and its Relationship with Altered E-cadherin and beta-catenin Expressions in Ovarian Serous Neoplasms.
Eun Yoon Cho, YoonLa Choi, Seoung Wan Chae, Eo Jin Kim, Kyehyun Kim, Geung Hwan Ahn, Jin Hee Sohn
Korean J Pathol. 2005;39(4):258-264.
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AbstractAbstract PDF
Background
: Fascin, an actin-bundling protein, has been found in specialized normal cells, including the neuronal, endothelial and dendritic cells, and its expression is known to be greatly increased in various human neoplasms. Methods : Immunohistochemical stainings for fascin, betacatenin, and E-cadherin were performed in normal ovary tissue (n=13), and in benign (n=14), borderline (n=32), and malignant (n=74) ovarian serous neoplasms. We evaluated the fascin expression, and its relationship with the betacatenin and E-cadherin expressions, as well as the clinicopathologic factors. Results : Fascin expression was detected in the majority of the borderline (100%, 32/32) and malignant tumors (90.5%, 67/74), but it was not seen in the normal ovarian surface epithelial cells and the benign tumors (p<0.001). Fascin expression was significantly correlated with the occurrence of peritoneal metastases in the carcinomas (p=0.043). A significant relationship between the expressions of fascin and betacatenin (p=0.046), as well as E-cadherin (p=0.035) was noted. There was no significant correlation with the tumor grade of carcinoma, the FIGO stage, tumor recurrence, tumor-related death and the survival rate. Conclusions : In ovarian serous neoplasms, the fascin expression may be closely linked with tumor progression and metastasis, and it was associated with the up-regulation of betacatenin and E-cadherin.
Case Report
Progression of Dermatofibrosarcoma Proruberans to Malignant Fibrous Histiocytoma: Report of a case.
Hye Rim Park, Eun Ha Jung, Jin Hee Sohn
Korean J Pathol. 1997;31(12):1324-1327.
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AbstractAbstract PDF
A 52-year-old woman was admitted with a palpable mass on the abdominal wall. This tumor had developed at the same site of a previously resected dermatofibrosarcoma protuberans. The biopsy specimen from the recurrent tumor revealed malignant fibrous histiocytoma. Immunohistochemistry with anti-CD34 antibody revealed diffuse linear positivity on the tumor cells of dermatofibrosarcoma protuberans and negativity on malignant fibrous histiocytoma. Anti CD34 antibody was valuable for a differential diagnosis of these two lesions.
Original Article
Usefulness of Sputum Cytology as a Diagnostic Tool of Lung Cancer.
Eun Yoon Cho, Hee Dae Park, Sun Hee Kim, Woon Sun Park, Seoung Wan Chae, Eo Jin Kim, Jin Hee Sohn
J Pathol Transl Med. 2004;15(2):75-80.
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AbstractAbstract PDF
To analyze the accuracy and usefulness of sputum cytology as a screening method, 103 cases of histologically proven lung cancer registered from 1998 to 2000 at Kangbuk Samsung Hospital were retrospectively examined. We reviewed the original cytologic and surgical diagnoses for the cases, and the cytology slides of all cytologically negative cases. The overall sensitivity of sputum cytology was 0.83 ; the sensitivity of prebronchoscopy sputum cytology for bronchogenic carcinoma was 0.87. Central tumor location (P=0.002), tumor size (>2.4 cm), (P=0.027) and the number of sputum samples (> or =3) (P=0.001) were associated with a positive cytologic diagnosis. Of the 18 cytologically negative cases, 9 cases (38% of smears) were determined to be insufficient for diagnosis, due strictly to low cellularity and saliva. After a review of the cytology slides of cytologically negative cases, we identified several atypical clusters in one case of bronchioloalveolar carcinoma. This negativity was thus attributed to an interpretation error (1/18, 5.6%). Our results suggest that its sensitivity is more strongly related to the specimen adequacy and the times of sampling than to interpretation error. In terms of sensitivity, specificity, accessibility, cost, and morbidity associated with the screening tests, sputum cytology was found to be an accurate effective screening method for lung cancer.
Case Reports
Trichogerminoma: A case report.
Sung Suk Paeng, Jin Hee Sohn, Duck Hwan Kim, Hee Jin Chang, Jung Il Suh, Kye Yong Song
Korean J Pathol. 1996;30(4):340-343.
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AbstractAbstract PDF
Though trichogenic tumors were classified as trichoblastoma, trichoblastic fibroma, trichogenic trichoblastoma and trichogenic myxoma by Headington(1970), their true classification depends upon the epithelial and mesodermal component as well as evidence of their induction. Because of the rarity of hair germ cell tumors their classification is still controversial. In this report, we describe a case of trichogerminoma which is not included in the above classification. The trichogerminoma was first described by Sau et al. in 1992 and characterized by its morphologic pattern of germinal centers and lymphoid follicle-like structures in the nests of trichoblasts. Herein we reporte a tumor which arose on the skin on the back of a 51-year-old man and presented as a sharply circumscribed mass(4.5x2.0x1.5 cm) involving both the dermal and subcutaneous tissues without any epidermal connection. The tumor had many germinal center-like structures in the basaloid trichoblasts. Lobular cell nests were separated by variable amounts of stroma, but no horn cyst were noted. The germinal center-like cells showed early differentiation of hairs, resembling early hair bulbs. Trichogerminoma is considered to be a type of tumor located between trichoblastoma and trichoblastic fibroma.
A Case Report of Pleuropulmonary Blastoma in Childhood.
Hye Rim Park, Jin Hee Sohn, Ki Woo Hong
Korean J Pathol. 1996;30(4):351-354.
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AbstractAbstract PDF
Classic pulmonary blastoma is a variant of carcinosarcoma which is seen almost exclusively in adults. By contrast, most cases of pulmonary blastoma in children have been described as having an exclusive mesenchymal composition, which was proposed as pleuropulmonary blastoma. Recently we experienced a case of pleuropulmonary blastoma, type 1. This 27-month-old male baby was transferred to our hospital due to the left tension pneumothorax. Chest CT revealed a subpleural pulmonary cystic lesion on the left upper lung and an open cystectomy was performed. Histologically the lesion was composed of variable-sized cystic structures lined with a single layer of respiratory-type epithelium. the underlying stroma was composed of sheets of small, round to oval, primitive tumor cells. Some of them had eccentric, eosinophilic cytoplasm, suggestive of rhabdomyoblastic differentiation. These rhabdomyoblastic cells were fuchsinophilic and positive with desmin and vimentin on immunohistochemistry.
Original Article
Survivin and Fas Ligand Expressions Are Correlated with Angiolymphatic Tumor Spread in Medullary Thyroid Carcinoma.
Min Kyung Kim, Jin Hee Sohn, Mee Joo, Hanseung Kim, Sung Hye Park, Seong Hoe Park, Eo Jin Kim, Seoung Wan Chae
Korean J Pathol. 2005;39(5):320-325.
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AbstractAbstract PDF
BACKGROUND
Medullary thyroid carcinoma (MTC) that originates from C cells comprises about 10% of all the malignant thyroid tumors. Activating mutations of the RET proto-oncogene have been found to be involved in the anti-apoptotic pathway of MTC that harbors the RET mutation. We investigated the correlation between the clinicopathologic parameters and the expressions of survivin, a novel anti-apoptotic molecule, and the other apoptosis-related proteins, and the known prognostic markers.
METHODS
Immunohistochemical staining was performed using antibodies for survivin, Fas, Fas ligand (FasL), bcl-2, calcitonin, CEA and cyclin A in 19 case of MTC; 10 sporadic MTCs, eight multiple endocrine neoplasia (MEN) type 2A MTCs and one familial MTC (FMTC).
RESULTS
Survivin protein expression was found in five cases (26%) and this was correlated with the presence of angiolymphatic tumor emboli (p=0.019). FasL was expressed in 14 cases (74%) and it had correlation with the presence of lymph node metastases (p=0.029). The cyclin A-labeling indices were correlated with local invasiveness (p=0.001).
CONCLUSIONS
Survivin and FasL might be involved in the lymphatic tumor spread of MTC.
Case Report
Malignant Thymoma Diagnosed by Fine Needle Aspiration Cytology: A case Report.
ung Ha Kang, Jin Hee Sohn, Duck Hwan Kim, Sung Suk Pang, Seong Eun Yang, Jung Il Suh
J Pathol Transl Med. 1994;5(2):189-193.
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AbstractAbstract PDF
Malignant thymoma is usually manifested as a mediastinal mass. Occasiomally, these tumors may be associated with a variety of systemic syndromes, such as myasthenia gravis, pure red cell aplasia or hypogammaglobulinemia. However, it is generally accepted that thymomas rarely metastasize and the frequency of extrathoracic metastasis has been reported as 1 to 15%. In general, nuclear changes of tumor cells such as enlarged size, irregular shape and altered textures are determining feactors in the assessment of the grade of malignancy. We experienced a case of malignant thymoma of anterior mediastinum in a 35-year-old woman. After 3 years, she developed recurrent malignant thymoma in the right supraclavicular area, diagnosed by aspiration biopsy cytology.
Original Article
The Loss of Expression of Caveolin-1 in Gastrointestinal Stromal Tumors.
Eo Jin Kim, Jin Hee Sohn, Min Kyung Kim, Seoung Wan Chae, Hye Seung Lee, Eun Yoon Cho, Woo Ho Kim
Korean J Pathol. 2005;39(5):338-344.
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AbstractAbstract PDF
BACKGROUND
The down-regulation of caveolin-1, a putative tumor suppressor gene, has been demonstrated in several types of sarcomas. However, it's not known whether or not the gastrointestinal stromal tumors (GISTs) express caveolin-1. We carried out this study to investigate the caveolin-1 expression in GISTs and to determine the correlation between the clinicopathologic profiles of GISTs and the expression of caveolin-1.
METHODS
One hundred eight cases of formalin-fixed and paraffin-embedded tissues of GISTs were immunohistochemically evaluated for the expression of caveolin-1 by using the tissue-array method. Survival data of 98 cases of primary GISTs was analysed according to the expression status of caveolin-1.
RESULTS
Ninety three cases (86.1%) of 108 GISTs did not express caveolin-1 protein. There was no correlation between the caveolin-1 expression status and any of the clinicopathologic variables, including mitosis (p=0.948) and tumor grade (p=0.334). The expression of caveolin-1 was not correlated with other immunohistochemical marker proteins including, c-kit (p=0.373), CD34 (p=0.437) and SMA (p=0.831). On the univariate analysis, the caveolin-1 expression status (p=0.635) was not a significant predictor of the disease-free survival for GIST patients.
CONCLUSIONS
The results of this study suggest that caveolin-1 might act as a tumor suppressor gene in the GIST oncogenesis, but it has no function as a prognostic marker for disease free survival.

J Pathol Transl Med : Journal of Pathology and Translational Medicine
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