Journal of Pathology and Translational Medicine

Original Articles

Expression of female sex hormone receptors and its relation to clinicopathological characteristics and prognosis of lung adenocarcinoma: Jin Hwan Lee, Han Kyeom Kim, Bong Kyung Shin; J Pathol Transl Med. 2020;54(1):103-111. Published online November 13, 2019; DOI: https://doi.org/10.4132/jptm.2019.10.12

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Background
Adenocarcinoma (ADC) of the lung exhibits different clinicopathological characteristics in men and women. Recent studies have suggested that these differences originate from the expression of female sex hormone receptors in tumor cells. The aim of the present study was to evaluate the immunohistochemical expression of female sex hormone receptors in lung ADC and determine the expression patterns in patients with different clinicopathological characteristics.
Methods
A total of 84 patients with lung ADC who underwent surgical resection and/or core biopsy were recruited for the present study. Immunohistochemical staining was performed for estrogen receptor α (ERα), estrogen receptor β (ERβ), progesterone receptor (PR), epidermal growth factor receptor (EGFR), EGFR E746- A750 del, and EGFR L858R using tissue microarray.
Results
A total of 39 (46.4%) ERα-positive, 71 (84.5%) ERβ-positive, and 46 (54.8%) PR-positive lung ADCs were identified. In addition, there were 81 (96.4%) EGFR-positive, 14 (16.7%) EGFR E746-A750 del–positive, and 34 (40.5%) EGFR L858R–positive cases. The expression of female sex hormone receptors was not significantly different in clinicopathologically different subsets of lung ADC.
Conclusions
Expression of female sex hormone receptors is not associated with the prognosis and clinicopathological characteristics of patients with lung ADC.

Citations

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Molecular characteristics of non-small cell lung cancer tissue based on quantitative indicators of progesterone receptors expression
I. P. Romanov, T. A. Bogush, A. M. Scherbakov, A. A. Alimov, E. A. Bogush, A. B. Ravcheeva, A. Lee, V. S. Kosorukov
Antibiot Khimioter = Antibiotics and Chemotherapy.2024; 69(1-2): 29. CrossRef
Genes Co-Expressed with ESR2 Influence Clinical Outcomes in Cancer Patients: TCGA Data Analysis
Julia Maria Lipowicz, Agnieszka Malińska, Michał Nowicki, Agnieszka Anna Rawłuszko-Wieczorek
International Journal of Molecular Sciences.2024; 25(16): 8707. CrossRef
Complex Differential Diagnosis between Primary Breast Cancer and Breast Metastasis from EGFR-Mutated Lung Adenocarcinoma: Case Report and Literature Review
Carmine Valenza, Francesca Maria Porta, Alessandra Rappa, Elena Guerini-Rocco, Giuseppe Viale, Massimo Barberis, Filippo de Marinis, Giuseppe Curigliano, Chiara Catania
Current Oncology.2021; 28(5): 3384. CrossRef
Development of a 15-Gene Signature Model as a Prognostic Tool in Sex Hormone-Dependent Cancers
Zhi Xia, Jian Xiao, Aibin Liu, Qiong Chen, Arumugam R. Jayakumar
BioMed Research International.2021; 2021: 1. CrossRef
Gender-specific aspects of epidemiology, molecular genetics and outcome: lung cancer
Nuria Mederos, Alex Friedlaender, Solange Peters, Alfredo Addeo
ESMO Open.2020; 5(Suppl 4): e000796. CrossRef

Current Cytology Practices in Korea: A Nationwide Survey by the Korean Society for Cytopathology: Eun Ji Oh, Chan Kwon Jung, Dong-Hoon Kim, Han Kyeom Kim, Wan Seop Kim, So-Young Jin, Hye Kyoung Yoon; J Pathol Transl Med. 2017;51(6):579-587. Published online September 27, 2017; DOI: https://doi.org/10.4132/jptm.2017.08.11

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Abstract PDF

Background
Limited data are available on the current status of cytology practices in Korea. This nationwide study presents Korean cytology statistics from 2015.
Methods
A nationwide survey was conducted in 2016 as a part of the mandatory quality-control program by the Korean Society for Cytopathology. The questionnaire was sent to 208 medical institutions performing cytopathologic examinations in Korea. Individual institutions were asked to submit their annual cytology statistical reports and gynecologic cytology-histology correlation data for 2015.
Results
Responses were obtained from 206 medical institutions including 83 university hospitals, 87 general hospitals, and 36 commercial laboratories. A total of 8,284,952 cytologic examinations were performed in 2015, primarily in commercial laboratories (74.9%). The most common cytology specimens were gynecologic samples (81.3%). Conventional smears and liquid-based cytology were performed in 6,190,526 (74.7%) and 2,094,426 (25.3%) cases, respectively. The overall diagnostic concordance rate between cytologic and histologic diagnoses of uterine cervical samples was 70.5%. Discordant cases were classified into three categories: category A (minimal clinical impact, 17.4%), category B (moderate clinical impact, 10.2%), and category C (major clinical impact, 1.9%). The ratio of atypical squamous cells of undetermined significance to squamous intraepithelial lesion was 1.6 in university hospitals, 2.9 in general hospitals, and 4.9 in commercial laboratories.
Conclusions
This survey reveals the current status and trend of cytology practices in Korea. The results of this study can serve as basic data for the establishment of nationwide cytopathology policies and quality improvement guidelines in Korean medical institutions.

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Diagnostic proficiency test using digital cytopathology and comparative assessment of whole slide images of cytologic samples for quality assurance program in Korea
Yosep Chong, Soon Auck Hong, Hoon Kyu Oh, Soo Jin Jung, Bo-Sung Kim, Ji Yun Jeong, Ho-Chang Lee, Gyungyub Gong
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Chan Kwon Jung, Ja Seong Bae, Young Joo Park
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Jung-A Sung, Ilias P. Nikas, Haeryoung Kim, Han Suk Ryu, Cheol Lee
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Comparison Study of the Adequacy and Pain Scale of Ultrasound-Guided Fine-Needle Aspiration of Solid Thyroid Nodules with a 21- or 23-Gauge Needle for Liquid-Based Cytology: a Single-Center Study
Soo Jin Jung, Dong Wook Kim, Hye Jin Baek
Endocrine Pathology.2018; 29(1): 30. CrossRef
Thyroid Fine-Needle Aspiration Cytology Practice in Korea
Yoon Jin Cha, Ju Yeon Pyo, SoonWon Hong, Jae Yeon Seok, Kyung-Ju Kim, Jee-Young Han, Jeong Mo Bae, Hyeong Ju Kwon, Yeejeong Kim, Kyueng-Whan Min, Soonae Oak, Sunhee Chang
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Case Studies

A Rare Case of Recurrent Metastatic Solid Pseudopapillary Neoplasm of the Pancreas: Hye Seung Lee, Han Kyeom Kim, Bong Kyung Shin, Jin Hyuk Choi, Yoo Jin Choi, Ha Yeon Kim; J Pathol Transl Med. 2017;51(1):87-91. Published online August 6, 2016; DOI: https://doi.org/10.4132/jptm.2016.06.16

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Abstract PDF

A 61-year-old woman visited our hospital for bilateral multiple lung nodules and a mass in her thorax. She had a long history of multiple metastatic recurrences of solid pseudopapillary neoplasm (SPN); 24 years previously, the patient had undergone pylorus-preserving pancreaticoduodenectomy for a 9.9 × 8.6 cm mass in the pancreatic head. The tumor was diagnosed as an SPN. Nine years later, metastatic nodules were found on computed tomography in the patient’s liver and peritoneum and were excised. She subsequently underwent an additional eight metastatectomy procedures in diverse organs. For the presented event, the lung nodules were removed. The prevalence of malignant SPN in the general population is 5%–15%. However, multiple metastatic recurrence of malignant SPN is rare; the lung is a particularly rare site of metastasis, found in only three cases in the literature. Here, we describe this exceptional case and provide a literature review.

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Sclerosing Perivascular Epithelioid Cell Tumor of the Lung: A Case Report with Cytologic Findings: Ha Yeon Kim, Jin Hyuk Choi, Hye Seung Lee, Yoo Jin Choi, Aeree Kim, Han Kyeom Kim; J Pathol Transl Med. 2016;50(3):238-242. Published online April 11, 2016; DOI: https://doi.org/10.4132/jptm.2016.02.19

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Abstract PDF

Benign perivascular epithelioid cell tumor (PEComa) of the lung is a rare benign neoplasm, a sclerosing variant of which is even rarer. We present a case of 51-year-old man who was diagnosed with benign sclerosing PEComa by percutaneous fine needle aspiration cytology and biopsy. The aspirate revealed a few cell clusters composed of bland-looking polygonal or spindle cells with fine granular or clear cytoplasm. Occasional fine vessel-like structures with surrounding hyalinized materials were seen. The patient later underwent wedge resection of the lung. The histopathological study of the resected specimen revealed sheets of polygonal cells with clear vacuolated cytoplasm, variably sized thin blood vessels, and densely hyalinized stroma. In immunohistochemical studies, reactivity of tumor cells for human melanoma black 45 and Melan-A further supported the diagnosis of benign sclerosing PEComa. To the best of our knowledge, this is the first case of benign sclerosing PEComa described in lung.

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Original Articles

Analysis of Mutations in Epidermal Growth Factor Receptor Gene in Korean Patients with Non-small Cell Lung Cancer: Summary of a Nationwide Survey: Sang Hwa Lee, Wan Seop Kim, Yoo Duk Choi, Jeong Wook Seo, Joung Ho Han, Mi Jin Kim, Lucia Kim, Geon Kook Lee, Chang Hun Lee, Mee Hye Oh, Gou Young Kim, Sun Hee Sung, Kyo Young Lee, Sun Hee Chang, Mee Sook Rho, Han Kyeom Kim, Soon Hee Jung, Se Jin Jang, The Cardiopulmonary Pathology Study Group of Korean Society of Pathologists; J Pathol Transl Med. 2015;49(6):481-488. Published online October 13, 2015; DOI: https://doi.org/10.4132/jptm.2015.09.14

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Abstract PDF

Background
Analysis of mutations in the epidermal growth factor receptor gene (EGFR) is important for predicting response to EGFR tyrosine kinase inhibitors. The overall rate of EGFR mutations in Korean patients is variable. To obtain comprehensive data on the status of EGFR mutations in Korean patients with lung cancer, the Cardiopulmonary Pathology Study Group of the Korean Society of Pathologists initiated a nationwide survey. Methods: We obtained 1,753 reports on EGFR mutations in patients with lung cancer from 15 hospitals between January and December 2009. We compared EGFR mutations with patient age, sex, history of smoking, histologic diagnosis, specimen type, procurement site, tumor cell dissection, and laboratory status. Results: The overall EGFR mutation rate was 34.3% in patients with non-small cell lung cancer (NSCLC) and 43.3% in patients with adenocarcinoma. EGFR mutation rate was significantly higher in women, never smokers, patients with adenocarcinoma, and patients who had undergone excisional biopsy. EGFR mutation rates did not differ with respect to patient age or procurement site among patients with NSCLC. Conclusions: EGFR mutation rates and statuses were similar to those in published data from other East Asian countries.

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Tumor Sprouting in Papillary Thyroid Carcinoma Is Correlated with Lymph Node Metastasis and Recurrence: Eunjung Lee, Wonkyung Jung, Jeong-Soo Woo, Jae Bok Lee, Bong Kyung Shin, Han Kyeom Kim, Aeree Kim, Baek-hui Kim; Korean J Pathol. 2014;48(2):117-125. Published online April 28, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.2.117

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Abstract PDF

Background

Identification of poor prognostic factors in papillary thyroid carcinoma (PTC) patients is important for the patients' care and follow-up. We can sometimes see small tumor clusters without desmoplasia and no evidence of lymphatic emboli around the main tumor mass of PTC. We termed this form of tumor clustering, 'tumor sprouting,' and determined whether these tumors correlate with lymphovascular invasion, lymph node metastasis, and recurrence.

Methods

We analyzed a total of 204 cases of papillary thyroid macrocarcinoma. Number, size and distance from the main tumor of the tumor sprouting were observed and analyzed with clinicopathologic characteristics.

Results

Tumor sprouting was observed in 101 patients. Presence of tumor sprouting was significantly associated with positive resection margin (p=.002), lymphovascular invasion (p=.001), lymph node metastasis (p<.001), and recurrence (p=.004). Univariate analysis of recurrence-free survival revealed that tumor multiplicity (p=.037), positive resection margin (p=.007), lymphovascular invasion (p=.004), lymph node metastasis (p<.001), and tumor sprouting (p=.004) were poor prognostic factors. In multivariate analysis, positive resection margin was an independent poor prognostic factor of recurrence.

Conclusions

In conclusion, tumor sprouting is significantly correlated with lymph node metastasis and recurrence. Evaluation of tumor sprouting in PTC patients could be helpful in predicting tumor recurrence or lymph node metastasis.

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Jung-Soo Pyo, Jin Hee Sohn, Guhyun Kang
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SIRT1 Expression Is Associated with Good Prognosis in Colorectal Cancer: Wonkyung Jung, Kwang Dae Hong, Woon Yong Jung, Eunjung Lee, Bong Kyung Shin, Han Kyeom Kim, Aeree Kim, Baek-hui Kim; Korean J Pathol. 2013;47(4):332-339. Published online August 26, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.4.332

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Abstract PDF

Background

Silent mating type information regulation 2 homolog 1 (SIRT1), an NAD+-dependent deacetylase, might act as a tumor promoter by inhibiting p53, but may also as a tumor suppressor by inhibiting several oncogenes such as β-catenin and survivin. Deleted in breast cancer 1 (DBC1) is known as a negative regulator of SIRT1.

Methods

Immunohistochemical expressions of SIRT1, DBC1, β-catenin, surviving, and p53 were evaluated using 2 mm tumor cores from 349 colorectal cancer patients for tissue microarray.

Results

Overexpression of SIRT1, DBC1, survivin, and p53 was seen in 235 (67%), 183 (52%), 193 (55%), and 190 (54%) patients, respectively. Altered expression of β-catenin was identified in 246 (70%) patients. On univariate analysis, overexpression of SIRT1 (p=0.029) and altered expression of β-catenin (p=0.008) were significantly associated with longer overall survival. Expression of SIRT1 was significantly related to DBC1 (p=0.001), β-catenin (p=0.001), and survivin (p=0.002), but not with p53. On multivariate analysis, age, tumor stage, differentiation, and expression of SIRT1 were independent prognostic factors significantly associated with overall survival.

Conclusions

SIRT1 overexpression is a good prognostic factor for colorectal cancer, and SIRT1 may interact with β-catenin and survivin rather than p53.

Citations

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Dong Hoon Shin, Jeong Yeon Jo, Minyoung Choi, Kyung-Hee Kim, Young-Ki Bae, Sang Soo Kim
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Association of β-Catenin, APC, SMAD3/4, Tp53, and Cyclin D1 Genes in Colorectal Cancer: A Systematic Review and Meta-Analysis
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SIRT1 induces tumor invasion by targeting epithelial mesenchymal transition-related pathway and is a prognostic marker in triple negative breast cancer
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Elevated HOXB9 expression promotes differentiation and predicts a favourable outcome in colon adenocarcinoma patients
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Prognostic Factors for Metastatic Colorectal Cancer after First-line Chemotherapy with FOLFOX-4 or FOLFIRI Regimen
Jae Hyun Kim, Pyoung Rak Choi, Seun Ja Park, Moo In Park, Won Moon, Sung Eun Kim, Gyu Won Lee
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Down-Regulation of mir-221 and mir-222 Restrain Prostate Cancer Cell Proliferation and Migration That Is Partly Mediated by Activation of SIRT1
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Prognostic Significance of Heat Shock Protein 70 Expression in Early Gastric Carcinoma: Youngran Kang, Woon Yong Jung, Hyunjoo Lee, Wonkyung Jung, Eunjung Lee, Bong Kyung Shin, Aeree Kim, Han Kyeom Kim, Baek-hui Kim; Korean J Pathol. 2013;47(3):219-226. Published online June 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.219

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Abstract PDF

Background

Overexpression of heat shock protein 70 (HSP70) has been observed in many types of cancer including gastric adenocarcinomas, although the exact role of HSP70 in carcinogenesis remains unclear.

Methods

The study analyzed a total of 458 radical gastrectomy specimens which were immunohistochemically stained with HSP70, p53, and Ki-67 antibodies.

Results

The study determined that the expression of HSP70 was significantly increased in early gastric cancer (EGC) compared to advanced gastric cancer (p<0.001). The HSP70 expression was correlated with well-differentiated tumor type, intestinal type of Lauren classification and the lower pT and pN stage. Negative expression of Ki-67 and p53 expression was associated with poor prognosis. The study did not find any correlation between HSP70 and p53 expression. The study determined that HSP70 expression in the EGC subgroup was associated with a poor prognosis (p=0.009), as well as negative Ki-67 expression (p=0.006), but was not associated with p53. Based on multivariate analysis, HSP70 expression (p=0.024), negative expression of Ki-67, invasion depth and lymph node metastasis were determined to be independent prognostic markers.

Conclusions

HSP70 is expressed in the early stages of gastric adenocarcinoma. In EGC, HSP70 is a poor independent prognostic marker and is correlated with a low proliferation index.

Citations

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The Prognostic Importance of Ki-67 in Gastrointestinal Carcinomas: A Meta-analysis and Multi-omics Approach
Mahdieh Razmi, Fatemeh Tajik, Farideh Hashemi, Ayna Yazdanpanah, Fatemeh Hashemi-Niasari, Adeleh Divsalar
Journal of Gastrointestinal Cancer.2024; 55(2): 599. CrossRef
Clinicopathological significance of HSP70 expression in gastric cancer: a systematic review and meta-analysis
Xiaolu Wang, Li Xie, Lijing Zhu
BMC Gastroenterology.2021;[Epub] CrossRef
Beta-sheet-specific interactions with heat shock proteins define a mechanism of delayed tumor cell death in response to HAMLET
Aftab Nadeem, James C.S. Ho, Tuan Hiep Tran, Sanchari Paul, Victoria Granqvist, Nadege Despretz, Catharina Svanborg
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Evolving paradigms on the interplay of mitochondrial Hsp70 chaperone system in cell survival and senescence
Shubhi Srivastava, Vinaya Vishwanathan, Abhijit Birje, Devanjan Sinha, Patrick D’Silva
Critical Reviews in Biochemistry and Molecular Biology.2019; 54(6): 517. CrossRef
Clinicopathologic significance and prognostic value of Ki-67 expression in patients with gastric cancer: a meta-analysis
Guanying Luo, Yunzhao Hu, Zhiqiao Zhang, Peng Wang, Zhaowen Luo, Jinxin Lin, Canchang Cheng, You Yang
Oncotarget.2017; 8(30): 50273. CrossRef
Extracellular HSP70-peptide complexes promote the proliferation of hepatocellular carcinoma cells via TLR2/4/JNK1/2MAPK pathway
Yi Zhe, Yan Li, Dan Liu, Dong-Ming Su, Jin-Gang Liu, Hang-Yu Li
Tumor Biology.2016; 37(10): 13951. CrossRef
The cytomegalovirus protein UL138 induces apoptosis of gastric cancer cells by binding to heat shock protein 70
Wenjing Chen, Kezhi Lin, Liang Zhang, Gangqiang Guo, Xiangwei Sun, Jing Chen, Lulu Ye, Sisi Ye, Chenchen Mao, Jianfeng Xu, Lifang Zhang, Lubin Jiang, Xian Shen, Xiangyang Xue
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Targeting the hsp70 gene delays mammary tumor initiation and inhibits tumor cell metastasis
J Gong, D Weng, T Eguchi, A Murshid, M Y Sherman, B Song, S K Calderwood
Oncogene.2015; 34(43): 5460. CrossRef

Vascular Endothelial Growth Factor Bioactivity and Its Receptors in Patients with Acute Respiratory Distress Syndrome.: Simona Gurzu, Ioan Jung, Leonard Azamfirei, Bong Young Shin, Raluca Solomon, Daria Demian, Judith Kovacs, Han Kyeom Kim; Korean J Pathol. 2011;45(2):139-145.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.2.139

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Abstract PDF

BACKGROUND
Pathogenesis of acute respiratory distress syndrome (ARDS) is a controversial issue. Few studies have analyzed the possible role of vascular endothelial growth factor (VEGF) and its receptors in this lesion.
METHODS
We compared the immunohistochemical expression of VEGF, its receptors (VEGFR1, VEGFR2) and CD68, in normal lungs and lungs with ARDS. Fifty necropsy cases and 12 lung biopsies with ARDS were analyzed. In total, eight cases were in the early stage and 54 cases were in late stage of ARDS. In addition, the serum level of VEGF165 was also determined.
RESULTS
In normal lungs, all antibodies marked the endothelial cells (EC) and pneumocytes (PC), except for CD68, which was expressed in the alveolar macrophages. In early ARDS, the intensity of VEGF165 and VEGFR2 decreased in both EC and PC. VEGF121 was absent in PC but its expression increased in bronchial epithelium. VEGFR1 was expressed in the integral PC. In late ARDS, VEGF165 down-regulation was more significant in PC and EC but its intensity increased in hyaline membranes (HM). In some cases, HM were CD68 positive. The serum level of VEGF165 was up-regulated, while VEGF165 intensity in PC decreased and the HM appeared in alveolar spaces.
CONCLUSIONS
Sporadic positivity of HM for CD68 and decreasing of VEGF165 expression in EC proved that VEGF165 is produced by PC, destroyed macrophages, and extravasated serum.

Citations

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Hallazgos similares al COVID-19 en un caso fatal de neumonía intersticial descamativa asociada con glomerulonefritis por IgA en una niña de 13 meses de edad
Simona Gurzu, Catalin-Bogdan Satala, Lorena Elena Melit, Adrian Streinu-Cercel, Dan Otelea, Brandusa Capalna, Claudiu Ioan Puiac, Janos Szederjesi, Ioan Jung
Kompass Neumología.2021; 3(2): 69. CrossRef
COVID-19 Like Findings in a Fatal Case of Idiopathic Desquamative Interstitial Pneumonia Associated With IgA Glomerulonephritis in a 13-Month-Old Child
Simona Gurzu, Catalin Bogdan Satala, Lorena Elena Melit, Adrian Streinu-Cercel, Dan Otelea, Brandusa Capalna, Claudiu Ioan Puiac, Janos Szederjesi, Ioan Jung
Frontiers in Pediatrics.2020;[Epub] CrossRef

Case Report

Malignant Glomus Tumors of the Stomach: A Report of 2 Cases with Multiple Metastases.: Hyunjoo Lee, Yoon Seok Choi, Sang Cheul Oh, Jong Jae Park, Chul Whan Kim, Han Kyeom Kim, Insun Kim; Korean J Pathol. 2009;43(4):358-363.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.4.358

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Abstract PDF

Glomus tumors are mesenchymal neoplasms usually developing in the dermis or subcutis of the extremities. The majority of glomus tumors are entirely benign, and malignant glomus tumors are very rare, especially those arising in the visceral organs. Here, we are presenting two cases of malignant glomus tumor, initially diagnosed in the stomach by endoscopic biopsy. Case 1 was found in the stomach, right kidney, brain and humerus of a 65-year-old woman, and Case 2 in the stomach and liver of a 63-year-old man. Histologically, the tumor was composed of solid sheets and nests of round and short-spindle shaped tumor cells with vesicular nucleus and prominent nucleolus. The tumor cells were closely admixed with blood vessels of varying size. Immunohistochemically, the tumor cells showed diffuse and strong positive staining for smooth muscle actin and paranuclear, dot-like staining for synaptophysin, but negative for desmin, c-kit, CD34 and S-100 protein. These two are rare cases of a malignant glomus tumor with widespread metastases.

Citations

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Clinicopathologic features of gastric glomus tumor: A report of 15 cases and literature review
Minying Deng, Rongkui Luo, Jie Huang, Yuanlong Luo, Qi Song, Huaiyu Liang, Chen Xu, Wei Yuan, Yingyong Hou
Pathology and Oncology Research.2023;[Epub] CrossRef
Glomus Tumor of the Stomach: A Systematic Review and Illustrative Case Report
Andrea Pansa, Laura Samà, Laura Ruspi, Federico Sicoli, Ferdinando Carlo Maria Cananzi, Vittorio Quagliuolo
Digestive Diseases.2023; 41(1): 17. CrossRef
Locally Advanced Glomus Tumor of the Stomach With Synchronous Liver Metastases: Case Report and Literature Review
Fabio Frosio, Carmine Petruzziello, Elia Poiasina, Michele Pisano, Alessandro Lucianetti
Cureus.2023;[Epub] CrossRef
Gastric Glomus Tumor: A Clinicopathologic and Immunohistochemical Study of 21 Cases
Jun Lin, Juan Shen, Hao Yue, Qiongqiong Li, Yuqing Cheng, Mengyun Zhou
BioMed Research International.2020; 2020: 1. CrossRef
Malignant glomus tumor of the gastric antrum with hepatic metastases: a case report and literature review
Adina A. Bodolan, Rebecca Wilcox, Michelle X. Yang
Human Pathology: Case Reports.2018; 14: 81. CrossRef

Original Articles

Detecting Malignant Urothelial Cells by Morphometric Analysis of ThinPrep(R) Liquid-based Urine Cytology Specimens.: Bong Kyung Shin, Young Suk Lee, Hoiseon Jeong, Sang Ho Lee, Hyunchul Kim, Aree Kim, Insun Kim, Han Kyeom Kim; Korean J Cytopathol. 2008;19(2):136-143.; DOI: https://doi.org/10.3338/kjc.2008.19.2.136

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Abstract PDF

Urothelial carcinoma accounts for 90% of all the cases of bladder cancer. Although many cases can be easily managed by local excision, urothelial carcinoma rather frequently recurs, tends to progress to muscle invasion, and requires regular follow-ups. Urine cytology is a main approach for the follow-up of bladder tumors. It is noninvasive, but it has low sensitivity of around 50% with using the conventional cytospin preparation. Liquid-based cytology (LBC) has been developed as a replacement for the conventional technique. We compared the cytomorphometric parameters of ThinPrep(R) and cytospin preparation urine cytology to see whether there are definite differences between the two methods and which technique allows malignant cells to be more effectively discriminated from benign cells. The nuclear-to-cytoplasmic ratio value, as measured by digital image analysis, was efficient for differentiating malignant and benign urothelial cells, and this was irrespective of the preparation method and the tumor grade. Neither the ThinPrep(R) nor the conventional preparation cytology was definitely superior for distinguishing malignant cells from benign cells by cytomorphometric analysis of the adequately preserved cells. However, the ThinPrep(R) preparation showed significant advantages when considering the better preservation and cellularity with a clear background.

Citations

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Utility of Image Morphometry in the Atypical Urothelial Cells and High-Grade Urothelial Carcinoma Categories of the Paris System for Reporting Urinary Cytology
K.C. Sharan, Manish Rohilla, Pranab Dey, Radhika Srinivasan, Nandita Kakkar, Ravimohan S. Mavuduru
Journal of Cytology.2024; 41(3): 137. CrossRef
Comparison of diagnostic accuracy between CellprepPlus® and ThinPrep® liquid‐based preparations in effusion cytology
Yong‐Moon Lee, Ji‐Yong Hwang, Seung‐Myoung Son, Song‐Yi Choi, Ho‐Chang Lee, Eun‐Joong Kim, Hye‐Suk Han, Jin young An, Joung‐Ho Han, Ok‐Jun Lee
Diagnostic Cytopathology.2014; 42(5): 384. CrossRef
A Comparison Between ThinPrep Monolayer and Cytospin Cytology for the Detection of Bladder Cancer
Ji Yong Kim, Hyung Jin Kim
Korean Journal of Urology.2014; 55(6): 390. CrossRef
Cytological and Morphometric Study of Urinary Epithelial Cells with Histopathological Correlation
Asim Kumar Manna, Manisha Sarkar, Ujjal Bandyopadhyay, Srabani Chakrabarti, Swapan Pathak, Diptendra Kumar Sarkar
Indian Journal of Surgery.2014; 76(1): 26. CrossRef
Evaluation of Urine Cytology in Urothelial Carcinoma Patients: A Comparison of CellprepPlus® Liquid-Based Cytology and Conventional Smear
Seung-Myoung Son, Ji Hae Koo, Song-Yi Choi, Ho-Chang Lee, Yong-Moon Lee, Hyung Geun Song, Hae-Kyung Hwang, Hye-Suk Han, Seok-Joong Yun, Wun-Jae Kim, Eun-Joong Kim, Ok-Jun Lee
Korean Journal of Pathology.2012; 46(1): 68. CrossRef

Infantile Myofibromatosis(Congenital Generalized Fibromatosis): Associated with multiple congenital malformations and basaloid follicular hamartomas in the skin.: Eun Sook Nam, Yoo Hun Kim, Han Kyeom Kim, Insun Kim, Je Geun Chi; Korean J Pathol. 1995;29(6):776-782.

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Abstract PDF: Infantile myofibromatosis with systemic involvement is a very rare disease and is characterized by numerous nodules composed of spindle cells of a myofibroblastic nature. There are often disseminated throughout the subcutis, muscle, skeleton and viscera. We report an autopsy case of infantile myofibromatosis in a stillborn female fetus of 32 weeks of gestation. The nodules, Imm to 2 cm, were found over the whole body and viscera. The involved viscera were the heart, tongue, esophagus, gastrointestinal tract, portal areas of the liver, spleen anc pancreas. There were also associated malformations, viz., frontal meningoencephalocele, flexion defer-mities, syndactyly, cleft palate, agenesis of corpus callosum, pachygyria, diaphragmatic hemia, renal hypoplasia, etc. Multiple basaloid follicular hamartomas of the skin were noted on the face and extremeties. There are no previous reports in the literature of infantile myofibromatosis in conjunction with the above skin lesion and congenital malformations.

Immunohistochemical Study for p53 and hsc70 in Transitional Cell Carcinoma of the Urinary Bladder: Correlation with Histologic Grade, Clinical Stage and DNA Ploidy Pattern.: Hyuni Cho, Sung Jin Cho, Han Kyeom Kim, Yang Seok Chae; Korean J Pathol. 1995;29(6):766-775.

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Abstract PDF: Transitional cell carcinoma of the urinary bladder is the most common cancer of the genitourinary tract in Korea and its prognosis is determined by the histologic grade and clinical stage present at initial diagnosis. Recently, an extensive search for a more objective and reproducible method to evaluate the proliferation activity of cancer cells has been done. The p53 gene is located on the short arm of the chromosome 17 and acts as a cancer suppressor gene. Mutant p53 gene induces malignant transformation. Recent studies reveal that the level of mutant p53 protein is elevated in some human tumor and many diverse transformed cell lines. Heat shock proteins(HSPs) are present constitutively in normal cells, where they play an important role in normal cell metabolism. In mammalian cells, they are induced by a variety of physical and chemical stimuli. A protein that belongs to the hsp70 family, called hsc70, is only slightly heat inducible and is found at a higher level in growing cells than in the resting cells. The mutant p53 protein binds with hsc70 and the p53-hsc70 complex has functional significance in the transforming capacity of the mutant p53. We investigated the correlation between the p53 and hsc70 by immunohistochemical methods and with better defined prognostic indicators such as histologic grade, clinical stage, and DNA ploidy pattern in 42 transitional cell carcinomas of the urinary bladder. The results are summarized as follows. p53 expression rate was higher in the DNA aneuploid group than in the DNA diploid group(p=0.061), but there was no significant difference in the histologic grade(p=0.861) or clinical stage(p=0.154). The higher the hsc70 expression rate was, the poorer the tumor differentiation(p=0.000) and the deeper the invasion(p=0.001). The aneuploid group showed a higher hsc70 expression rate than the diploid group(p=0.017). 27 of 42(64.3%) carcinomas showed positivity of both p53 and hsc70. Though statistically insignificant, their correlation showed a relatively low correlation coefficient (P=0.059). In conclusion, we suspect that p53 and hsc70 are closely correlated to each other by comparing the results of this immunohistochemical study, and hsc70 will be a useful prognostic marker in transitional cell carcinomas of the urinary bladder after sufficient follow up studies are performed.

The Correlation between the Proliferative Activity in Biopsied Specimen of Gastric Adenocarcinoma and the Pathologic Findings of Resected Specimen.: Hye Sun Kim, Jae Bok Lee, Se Min Kim, Jong Sang Choi, Han Kyeom Kim; Korean J Pathol. 1997;31(3):211-218.

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Abstract PDF: Studies on the correlation between proliferative activity of biopsied specimen and pathologic findings of resected specimen have been carried out to find the prognostic factors. To estimate the proliferative activity, 100 cases of biopsied specimen of gastric adenocarcinoma were tested for the PCNA (proliferating cell nuclear antigen) and the AgNOR (argyrophilic nucleolar organizer region) by the immunohistochemical and histochemical stainings, respectively. The resected tumors classified by histologic type, differentiation, depth of invasion, and nodal metastatic status were followed by cell cycle analysis using flow cytometry. The PCNA LI (labelling index) were higher in well or moderately differentiated tumors (P<0.01) than the poorly differentiated ones and the aneuploid tumors (P<0.05) more than in diploid ones. However, there were no correlations among histologic types, depth of invasion, nodal metastatic status and PCNA LI. The AgNOR counts were higher in advanced tumor than in the EGC (early gastric cancer) (P<0.01). In cases with nodal metastasis, most of them showed the AgNOR counts higher than those without nodal metastasis. There were no correlations between the AgNOR counts and the DNA ploidy, histologic type, or differentiation. High PCNA LI and high AgNOR counts were shown in cases with advanced tumors (P=0.000) and nodal metastasis (P<0.05). No correlation was shown with the histologic type or differentiation. The results show that proliferative activity of the biopsied specimen of gastric adenocarcinoma is correlated with the differentiation and the invasion depth of resected specimen. Especially, better correlation is obtained by analyzing both the PCNA LI and the AgNOR counts than by analyzing each.

Case Report

Acute Interstitial Pneumonia (Hamman-Rich Syndrome): An Autopsy Case.: Han Kyeom Kim, Ae Ree Kim, Min Ji Jeoung, Won Hee Seo, Jee yeoun Lee, Su Hyun Park; Korean J Pathol. 1997;31(4):366-374.

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Abstract PDF: Acute interstitial pneumonia is a fulminant disease of unknown etiology that usually occurs in a previously healthy person and produces the histologic findings of the organizing phase of diffuse alveolar damage. We experienced an autopsy case of acute interstitial pneumonia of unknown etiology. The patient was a 48 year old man who had been healthy and had not been exposed to organic dusts or other toxic materials. The chief complaints represented were dyspnea and a dry cough for several weeks before hospitalization, and the chest radiographs showed bilateral interstitial infiltrates. Patchy consolidation of air space was also identified and ground-glass attenuation similar to those described in ARDS was detected on high-resolution computed tomography. Steroid pulse therapy, mechanical ventilation, and antibiotics for superimposed bacterial infection were performed, but the symptoms did not improve and the patient died of generalized respiratory insufficiency and severe hypoxemia 2 1/2 months after hospitalization. At autopsy the macroscopic and microscopic findings were confined mainly to the lungs. On the whole, both lungs were firm in consistency and the external surface showed a cobblestone appearance. The cut surface showed almost complete replacement of the normal lung parenchyma with gray to yellow fibrous tissue with a little residual functional area remaining. The pathology of both open lung biopsy and autopsy tissue showed marked hyperplasia of type II pneumocytes, hyaline membrane formation, thickening of the alveolar wall due to extensive fibroblast proliferation, and relatively abundant young collagen deposition in the interstitium. An immunohistochemical stain for cytokeratin revealed epithelial hyperplasia and showed that the alveolar spaces were markedly shrunken by fibrous tissue.

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