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Original Articles
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
  • 2,082 View
  • 102 Download
  • 1 Citations
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.

Citations

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  • 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
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
  • 3,995 View
  • 174 Download
  • 2 Citations
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.

Citations

Citations to this article as recorded by  
  • 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
    Gastroenterología y Hepatología.2022; 45(8): 579.     CrossRef
  • 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
    Gastroenterología y Hepatología (English Edition).2022; 45(8): 579.     CrossRef
Review
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
  • 14,792 View
  • 942 Download
  • 25 Citations
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.

Citations

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    Journal of Pathology and Translational Medicine.2023; 57(1): 1.     CrossRef
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    Jeeyong Lee, Da Yeon Kim, Younjoo Kim, Ui Sup Shin, Kwang Seok Kim, Eun Ju Kim
    International Journal of Molecular Sciences.2023; 24(2): 978.     CrossRef
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    BMC Cancer.2022;[Epub]     CrossRef
  • Potential of DEK proto‑oncogene as a prognostic biomarker for colorectal cancer: An evidence‑based review
    Muhammad Habiburrahman, Muhammad Wardoyo, Stefanus Sutopo, Nur Rahadiani
    Molecular and Clinical Oncology.2022;[Epub]     CrossRef
  • Reproducibility and Feasibility of Classification and National Guidelines for Histological Diagnosis of Canine Mammary Gland Tumours: A Multi-Institutional Ring Study
    Serenella Papparella, Maria Ines Crescio, Valeria Baldassarre, Barbara Brunetti, Giovanni P. Burrai, Cristiano Cocumelli, Valeria Grieco, Selina Iussich, Lorella Maniscalco, Francesca Mariotti, Francesca Millanta, Orlando Paciello, Roberta Rasotto, Mariar
    Veterinary Sciences.2022; 9(7): 357.     CrossRef
  • Composite scoring system and optimal tumor budding cut-off number for estimating lymph node metastasis in submucosal colorectal cancer
    Jeong-ki Kim, Ye-Young Rhee, Jeong Mo Bae, Jung Ho Kim, Seong-Joon Koh, Hyun Jung Lee, Jong Pil Im, Min Jung Kim, Seung-Bum Ryoo, Seung-Yong Jeong, Kyu Joo Park, Ji Won Park, Gyeong Hoon Kang
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    Jiyoon Jung, Eunsu Kim, Hyeseong Lee, Sung Hak Lee, Sangjeong Ahn
    Applied Sciences.2022; 12(18): 9159.     CrossRef
  • Clinical Implication of Perineural and Lymphovascular Invasion in Rectal Cancer Patients Who Underwent Surgery After Preoperative Chemoradiotherapy
    Young Il Kim, Chan Wook Kim, Jong Hoon Kim, Jihun Kim, Jun-Soo Ro, Jong Lyul Lee, Yong Sik Yoon, In Ja Park, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
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    Journal of Gastric Cancer.2022; 22(4): 264.     CrossRef
  • Pathologic Implications of Magnetic Resonance Imaging-detected Extramural Venous Invasion of Rectal Cancer
    Hyun Gu Lee, Chan Wook Kim, Jong Keon Jang, Seong Ho Park, Young Il Kim, Jong Lyul Lee, Yong Sik Yoon, In Ja Park, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
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    Turkish Journal of Surgery.2022; 38(4): 382.     CrossRef
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    Cancers.2021; 13(14): 3480.     CrossRef
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    Soo Young Oh, In Ja Park, Young IL Kim, Jong-Lyul Lee, Chan Wook Kim, Yong Sik Yoon, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
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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
  • 5,422 View
  • 114 Download
  • 6 Citations
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
  • 8,898 View
  • 104 Download
  • 19 Citations
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.

Citations

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    Oncotarget.2017; 8(39): 65836.     CrossRef
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
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  • 17 Citations
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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    Bernard Fromenty
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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
  • 8,568 View
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  • 17 Citations
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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  • Fine Needle Aspiration Cytology vs. Core Needle Biopsy for Thyroid Nodules: A Prospective, Experimental Study Using Surgical Specimen
    Hyuk Kwon, Jandee Lee, Soon Won Hong, Hyeong Ju Kwon, Jin Young Kwak, Jung Hyun Yoon
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    Leehi Joo, Dong Gyu Na, Ji-hoon Kim, Hyobin Seo
    Korean Journal of Radiology.2022; 23(2): 280.     CrossRef
  • Diagnostic performance of core needle biopsy as a first‐line diagnostic tool for thyroid nodules according to ultrasound patterns: Comparison with fine needle aspiration using propensity score matching analysis
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    Soon-Hyun Ahn
    Clinical and Experimental Otorhinolaryngology.2021; 14(1): 116.     CrossRef
  • 2021 Korean Thyroid Imaging Reporting and Data System and Imaging-Based Management of Thyroid Nodules: Korean Society of Thyroid Radiology Consensus Statement and Recommendations
    Eun Ju Ha, Sae Rom Chung, Dong Gyu Na, Hye Shin Ahn, Jin Chung, Ji Ye Lee, Jeong Seon Park, Roh-Eul Yoo, Jung Hwan Baek, Sun Mi Baek, Seong Whi Cho, Yoon Jung Choi, Soo Yeon Hahn, So Lyung Jung, Ji-hoon Kim, Seul Kee Kim, Soo Jin Kim, Chang Yoon Lee, Ho K
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    Min Ji Hong, Dong Gyu Na, Hunkyung Lee
    Thyroid.2020; 30(8): 1141.     CrossRef
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    Liron Pantanowitz, Lester D.R. Thompson, Xin Jing, Esther Diana Rossi
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    Dong Gyu Na, Jung Hwan Baek, So Lyung Jung, Ji-hoon Kim, Jin Yong Sung, Kyu Sun Kim, Jeong Hyun Lee, Jung Hee Shin, Yoon Jung Choi, Eun Ju Ha, Hyun Kyung Lim, Soo Jin Kim, Soo Yeon Hahn, Kwang Hwi Lee, Young Jun Choi, Inyoung Youn, Young Joong Kim, Hye Sh
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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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  • 4 Citations
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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    Hang Yang, Wen-Juan Yang, Bing Hu
    World Journal of Gastrointestinal Oncology.2022; 14(2): 396.     CrossRef
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    Shen Jiangang, Kang Nayoung, Wang Hongfang, Li Junda, Chen Li, Bai Xuefeng, Li Mingsong
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    Kyueng-Whan Min, Dong-Hoon Kim, Byoung Kwan Son, Dong Hyun Kim, Eun-Kyung Kim, Jinwon Seo, Sang Bong Ahn, Yun Ju Jo, Young Sook Park, Junghoon Ha
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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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  • 45 Download
  • 1 Citations
PDF

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  • Calcifying Fibrous Tumor
    Angeliki Chorti, Theodossis S. Papavramidis, Antonios Michalopoulos
    Medicine.2016; 95(20): e3690.     CrossRef
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
  • 8,664 View
  • 83 Download
  • 3 Citations
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.

Citations

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  • 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
    Diagnostic Cytopathology.2018; 46(5): 384.     CrossRef
  • 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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  • 54 Download
  • 1 Citations
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.

Citations

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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
  • 12,250 View
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  • 12 Citations
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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    Contrast Media & Molecular Imaging.2022; 2022: 1.     CrossRef
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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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    Bohyun Kim, Han-Seong Kim, Kyung Chul Moon
    Diagnostic Pathology.2019;[Epub]     CrossRef
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    Tiffany Y. Chen, Annie O. Morrison, Joe Susa, Clay J. Cockerell
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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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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
  • 8,319 View
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  • 14 Citations
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.

Citations

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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
  • 5,737 View
  • 39 Download
  • 9 Citations
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.

Citations

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