Journal of Pathology and Translational Medicine

Brief Case Report

Ewing’s Sarcoma/Primitive Neuroectodermal Tumor of the Uterine Corpus: Eung-Seok Lee, Won Hwangbo, Insun Kim; J Pathol Transl Med. 2015;49(1):66-70. Published online January 15, 2015; DOI: https://doi.org/10.4132/jptm.2014.10.14

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Primary uterine Ewing sarcoma – A case report
Yen-Chen Wu, Yu-Chien Kao, Ching-Wen Chang
Taiwanese Journal of Obstetrics and Gynecology.2021; 60(1): 142. CrossRef
Adjuvant chemotherapy for a primitive neuroectodermal tumor of the uterine corpus: A case report and literature review
Munetoshi Akazawa, Toshiaki Saito, Kazuya Ariyoshi, Masao Okadome, Ryohei Yokoyama, Kenichi Taguchi
Journal of Obstetrics and Gynaecology Research.2018; 44(10): 2008. CrossRef
Clinicopathologic Features of the Non-CNS Primary Ewing Sarcoma Family of Tumors in the Head and Neck Region
Chang Gok Woo, Bora Lee, Joon Seon Song, Kyung-Ja Cho
Applied Immunohistochemistry & Molecular Morphology.2018; 26(9): 632. CrossRef
Primitive neuroectodermal tumor of uterus with synchronous in situ squamous cell carcinoma of cervix–A rare tumor with unusual association
Ramneet Kaur, Shashi Dhawan, Prem Chopra, Sunita Bhalla
Current Medicine Research and Practice.2017; 7(3): 109. CrossRef

Original Article

Characteristics of Cutaneous Lymphomas in Korea According to the New WHO-EORTC Classification: Report of a Nationwide Study: Jae Ho Han, Young-Hyeh Ko, Yun Kyung Kang, Wan-Seop Kim, Yoon Jung Kim, Insun Kim, Hyun-Jung Kim, Soo Kee Min, Chan-Kum Park, Chan-Sik Park, Bong-Kyung Shin, Woo Ick Yang, Young-Ha Oh, Jong Sil Lee, Juhie Lee, Tae Hui Lee, Hyekyung Lee, Ho Jung Lee, Yoon Kyung Jeon, Hee Jeong Cha, Yoo-Duk Choi, Chul Woo Kim; Korean J Pathol. 2014;48(2):126-132. Published online April 28, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.2.126

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Abstract PDF

Background

Previously, cutaneous lymphomas were classified according to either the European Organization for the Research and Treatment of Cancer (EORTC) or the World Health Organization (WHO) classification paradigms. The aim of this study was to determine the relative frequency of Korean cutaneous lymphoma according to the new WHO-EORTC classification system.

Methods

A total of 517 patients were recruited during a recent 5 year-period (2006-2010) from 21 institutes and classified according to the WHO-EORTC criteria.

Results

The patients included 298 males and 219 females, and the mean age at diagnosis was 49 years. The lesions preferentially affected the trunk area (40.2%). The most frequent subtypes in order of decreasing prevalence were mycosis fungoides (22.2%), peripheral T-cell lymphoma (17.2%), CD30+ T-cell lymphoproliferative disorder (13.7%), and extranodal natural killer/T (NK/T) cell lymphoma, nasal type (12.0%). Diffuse large B-cell lymphoma accounted for 11.2% of cases, half of which were secondary cutaneous involvement; other types of B-cell lymphoma accounted for less than 1% of cases.

Conclusions

In comparison with data from Western countries, this study revealed relatively lower rates of mycosis fungoides and B-cell lymphoma in Korean patients, as well as higher rates of subcutaneous panniculitis-like T-cell lymphoma and NK/T cell lymphoma.

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The First Case of Acute Myeloid Leukemia With t(10;11)(p13;q21);PICALM-MLLT10 Rearrangement Presenting With Extensive Skin Involvement
Min-Seung Park, Hyun-Young Kim, Jae Joon Lee, Duck Cho, Chul Won Jung, Hee-Jin Kim, Sun-Hee Kim
Annals of Laboratory Medicine.2023; 43(3): 310. CrossRef
Recent advances on cutaneous lymphoma epidemiology
G. Dobos, M. Miladi, L. Michel, C. Ram-Wolff, M. Battistella, M. Bagot, A. de Masson
La Presse Médicale.2022; 51(1): 104108. CrossRef
Specific cutaneous infiltrates in patients with haematological neoplasms: a retrospective study with 49 patients
Rebeca Calado, Maria Relvas, Francisca Morgado, José Carlos Cardoso, Oscar Tellechea
Australasian Journal of Dermatology.2021;[Epub] CrossRef
Epidemiology of Cutaneous T-Cell Lymphomas: A Systematic Review and Meta-Analysis of 16,953 Patients
Gabor Dobos, Anne Pohrt, Caroline Ram-Wolff, Céleste Lebbé, Jean-David Bouaziz, Maxime Battistella, Martine Bagot, Adèle de Masson
Cancers.2020; 12(10): 2921. CrossRef
Primary cutaneous lymphoma in Argentina: a report of a nationwide study of 416 patients
Alejandra Abeldaño, Paula Enz, Matias Maskin, Andrea B. Cervini, Natallia Torres, Ana C. Acosta, Marina Narbaitz, Silvia Vanzulli, Mirta Orentrajch, Marta A. Villareal, Maria L. Garcia Pazos, Mariana Arias, Evelyn A. Zambrano Franco, Maria I. Fontana, Rob
International Journal of Dermatology.2019; 58(4): 449. CrossRef
Post-thymic CD4 positive cytotoxic T cell infiltrates of the skin: A clinical and histomorphologic spectrum of the unique CD4 positive T cell of immunosenescence
Cynthia M. Magro, Luke C. Olson, Shabnam Momtahen
Annals of Diagnostic Pathology.2019; 38: 99. CrossRef
Cutaneous lymphomas in Taiwan: A review of 118 cases from a medical center in southern Taiwan
Chaw-Ning Lee, Chao-Kai Hsu, Kung-Chao Chang, Cheng-Lin Wu, Tsai-Yun Chen, Julia Yu-Yun Lee
Dermatologica Sinica.2018; 36(1): 16. CrossRef
Imaging analysis of superficial soft tissue lymphomas
In Sook Lee, You Seon Song, Seung Hyun Lee, Young Jin Choi, Sung Moon Lee
Clinical Imaging.2018; 49: 111. CrossRef
Epidemiologic, clinical and demographic features of primary cutaneous lymphomas in Castilla‐La Mancha, Spain: are we different?
C. Ramos‐Rodríguez, M. García‐Rojo, G. Romero‐Aguilera, M. García‐Arpa, L. González‐López, M.P. Sánchez‐Caminero, J. González‐García, M. Delgado‐Portela, M.P. Cortina‐De La Calle, M.F. Relea‐Calatayud, F. Martín‐Dávila, R. López‐Pérez, M. Ramos‐Rodríguez
Journal of the European Academy of Dermatology and Venereology.2018;[Epub] CrossRef
Nasal-type NK/T-cell lymphomas are more frequently T rather than NK lineage based on T-cell receptor gene, RNA, and protein studies: lineage does not predict clinical behavior
Mineui Hong, Taehee Lee, So Young Kang, Suk-Jin Kim, Wonseog Kim, Young-Hyeh Ko
Modern Pathology.2016; 29(5): 430. CrossRef
Cutaneous lymphoma: Kids are not just little people
Katalin Ferenczi, Hanspaul S. Makkar
Clinics in Dermatology.2016; 34(6): 749. CrossRef

Case Study

Myxoid Liposarcoma with Cartilaginous Differentiation: A Case Study with Cytogenetical Analysis: Hyunchul Kim, Won Hwangbo, Sangjeong Ahn, Suhjin Kim, Insun Kim, Chul Hwan Kim; Korean J Pathol. 2013;47(3):284-288. Published online June 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.284

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Abstract PDF

Myxoid liposarcoma is a subtype of liposarcoma. This specific subtype can be identified based on its characteristic histological and cytogenetical features. The tumor has a fusion transcript of the CHOP and TLS genes, which is caused by t(12;16)(q13;p11). Most of the fusion transcripts that have been identified fall into three categories, specifically type I (exons 7-2), type II (exons 5-2), and type III (exons 8-2). A total of seven myxoid liposarcomas associated with the rare phenomenon of cartilaginous differentiation have been documented in the literature. Currently, only one of these cases has been cytogenetically analyzed, and the analysis indicated that it was a type II TLS-CHOP fusion transcript in both the typical myxoid liposarcoma and cartilaginous areas. This study presents a second report of myxoid liposarcoma with cartilaginous differentiation, and includes a cytogenetical analysis of both the myxoid and cartilaginous areas.

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Myxoid liposarcoma with nuclear pleomorphism: a clinicopathological and molecular study
Naoki Kojima, Takashi Kubo, Taisuke Mori, Kaishi Satomi, Yuko Matsushita, Shintaro Iwata, Yasushi Yatabe, Koichi Ichimura, Akira Kawai, Hitoshi Ichikawa, Akihiko Yoshida
Virchows Archiv.2024; 484(1): 71. CrossRef
The Conundrum of Dedifferentiation in a Liposarcoma at a Peculiar Location: A Case Report and Literature Review
Ana-Maria Ciongariu, Adrian-Vasile Dumitru, Cătălin Cîrstoiu, Bogdan Crețu, Maria Sajin, Dana-Antonia Țăpoi, Aminia-Diana Ciobănoiu, Adrian Bejenariu, Andrei Marin, Mariana Costache
Medicina.2023; 59(5): 967. CrossRef
Myxoid liposarcoma with cartilaginous differentiation showing DDIT3 rearrangement
Kayo Suzuki, Taketoshi Yasuda, Kenta Watanabe, Takeshi Hori, Masahiko Kanamori, Tomoatsu Kimura
Oncology Letters.2017;[Epub] CrossRef

Original Articles

EGFR Gene Amplification and Protein Expression in Invasive Ductal Carcinoma of the Breast: Won Hwangbo, Jeong Hyeon Lee, Sangjeong Ahn, Seojin Kim, Kyong Hwa Park, Chul Hwan Kim, Insun Kim; Korean J Pathol. 2013;47(2):107-115. Published online April 24, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.2.107

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Abstract PDF

Background

The epidermal growth factor receptor (EGFR) is a surrogate marker for basal-like breast cancer. A recent study suggested that EGFR may be used as a target for breast cancer treatment.

Methods

A total of 706 invasive ductal carcinomas (IDC) of the breast were immunophenotyped, and 82 cases with EGFR protein expression were studied for EGFR gene amplification.

Results

EGFR protein was expressed in 121 of 706 IDCs (17.1%); 5.9% were of luminal type, 25.3% of epidermal growth factor receptor 2 (HER-2) type, and 79.3% of basal-like tumors. EGFR gene amplification and high polysomy (fluorescent in situ hybridization [FISH]-positive) were found in 18 of 82 cases (22.0%); 41.2% of the HER-2⁺, EGFR⁺, cytokeratin 5/6^- (CK5/6^-) group, 11.2% of the HER-2^-, EGFR⁺, CK5/6^- group, and 19.1% of the HER-2^-, EGFR⁺, CK5/6⁺ group. FISH-positive cases were detected in 8.3% of the EGFR protein 1⁺ expression cases, 15.9% of 2⁺ expression cases, and 38.5% of 3⁺ expression cases. In group 2, the tumors had a high Ki-67 labeling (>60%), but the patients showed better disease-free survival than those with tumors that co-expressed HER-2 or CK5/6.

Conclusions

EGFR-directed therapy can be considered in breast cancer patients with EGFR protein overexpression and gene amplification, and its therapeutic implication should be determined in HER-2 type breast cancer patients.

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Identification of a cross-talk between EGFR and Wnt/beta-catenin signaling pathways in HepG2 liver cancer cells
Gurjinder Singh, Md Mehedi Hossain, Aadil Qadir Bhat, Mir Owais Ayaz, Nasima Bano, Rafiqa Eachkoti, Mohd Jamal Dar
Cellular Signalling.2021; 79: 109885. CrossRef
Blocking c-MET/ERBB1 Axis Prevents Brain Metastasis in ERBB2+ Breast Cancer
Shailendra K. Gautam, Ranjana K. Kanchan, Jawed A. Siddiqui, Shailendra K. Maurya, Sanchita Rauth, Naveenkumar Perumal, Pranita Atri, Ramakanth C. Venkata, Kavita Mallya, Sameer Mirza, Moorthy P. Ponnusamy, Vimla Band, Sidharth Mahapatra, Maneesh Jain, Su
Cancers.2020; 12(10): 2838. CrossRef
Evaluation of lapatinib cytotoxicity and genotoxicity on MDA-MB-231 breast cancer cell line
Mona A.M. Abo-Zeid, Mahmoud T. Abo-Elfadl, Amira M. Gamal-Eldeen
Environmental Toxicology and Pharmacology.2019; 71: 103207. CrossRef
Improved characterization of the relationship between long intergenic non‐coding RNA Linc00152 and the occurrence and development of malignancies
Jiasheng Xu, Jingjing Guo, Yangkai Jiang, Yujun Liu, Kaili Liao, Zhonghua Fu, Zhenfang Xiong
Cancer Medicine.2019; 8(10): 4722. CrossRef
Relationship between EGFR expression and subcellular localization with cancer development and clinical outcome
Ge Yan, Mohamed E.M. Saeed, Sebastian Foersch, Jose Schneider, Wilfried Roth, Thomas Efferth
Oncotarget.2019; 10(20): 1918. CrossRef
A novel matrine derivative WM622 inhibits hepatocellular carcinoma by inhibiting PI3K/AKT signaling pathways
Xiao Sun, Xiao-bin Zhuo, Yi-ping Hu, Xuan Zheng, Qing-jie Zhao
Molecular and Cellular Biochemistry.2018; 449(1-2): 47. CrossRef
lncRNA LINC00152 knockdown had effects to suppress biological activity of lung cancer via EGFR/PI3K/AKT pathway
Yan Zhang, Cheng Xiang, Yuling Wang, Yuanyuan Duan, Ci Liu, Yongli Jin, Yajing Zhang
Biomedicine & Pharmacotherapy.2017; 94: 644. CrossRef
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Areej Fatima, Fomaz Tariq, Muhammad Faraz Arshad Malik, Muhammad Qasim, Farhan Haq
Journal of Breast Cancer.2017; 20(3): 246. CrossRef
Evaluation of serum epidermal growth factor receptor (EGFR) in correlation to circulating tumor cells in patients with metastatic breast cancer
Malgorzata Banys-Paluchowski, Isabell Witzel, Sabine Riethdorf, Brigitte Rack, Wolfgang Janni, Peter A. Fasching, Erich-Franz Solomayer, Bahriye Aktas, Sabine Kasimir-Bauer, Klaus Pantel, Tanja Fehm, Volkmar Müller
Scientific Reports.2017;[Epub] CrossRef
EGFR Is Regulated by TFAP2C in Luminal Breast Cancer and Is a Target for Vandetanib
James P. De Andrade, Jung M. Park, Vivian W. Gu, George W. Woodfield, Mikhail V. Kulak, Allison W. Lorenzen, Vincent T. Wu, Sarah E. Van Dorin, Philip M. Spanheimer, Ronald J. Weigel
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Prognostic and predictive values of EGFR overexpression and EGFR copy number alteration in HER2-positive breast cancer
H J Lee, A N Seo, E J Kim, M H Jang, Y J Kim, J H Kim, S-W Kim, H S Ryu, I A Park, S-A Im, G Gong, K H Jung, H J Kim, S Y Park
British Journal of Cancer.2015; 112(1): 103. CrossRef
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Kyu Sang Lee, Gheeyoung Choe, Kyung Han Nam, An Na Seo, Sumi Yun, Kyung Ju Kim, Hwa Jin Cho, Sung Hye Park
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Wenjing Zhou, Christine Johansson, Karin Jirström, Anita Ringberg, Carl Blomqvist, Rose-Marie Amini, Marie-Louise Fjallskog, Fredrik Wärnberg
International Journal of Breast Cancer.2013; 2013: 1. CrossRef

The Utility of p16INK4a and Ki-67 as a Conjunctive Tool in Uterine Cervical Lesions: Sangho Lee, Hyunchul Kim, Hyesun Kim, Chulhwan Kim, Insun Kim; Korean J Pathol. 2012;46(3):253-260. Published online June 22, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.3.253

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Abstract PDF

Background

Immunohistochemical staining for p16INK4a and Ki-67 has been used to improve the accuracy in making a diagnosis of the uterine cervix cancer on biopsy. This study was conducted to examine the usefulness of these markers in the pathological diagnosis based on cervical biopsy.

Methods

We selected a consecutive series of 111 colposcopically directed cervical punch biopsies. Using these biopsy samples, we performed an immunohistochemical staining for p16INK4a and Ki-67 to establish a diagnosis. The slides were circulated among four pathologists in a sequential order: the hematoxylin and eosin (H&E) slide, H&E slide and p16INK4a-stained slide, and H&E slide, p16INK4a- and Ki-67-stained slides.

Results

The overall rates of the concordance in the first, the second, and the third diagnoses were 77.5%, 82.0%, and 82.0%, respectively. The rate of the concordance in the diagnosis of cervical intraepithelial neoplasm (CIN) 2/3 was increased from 62.2% to 73.0%. But there was a variability in the rate of the revision of the diagnosis between the pathologists. With the application of criteria for interpreting the expressions of p16INK4a and Ki-67, benign and CIN 1 lesions showed a p16INK4a expression score of 0 or 1. But CIN 2 and CIN 3 lesions showed a p16INK4a expression score of 2 and 3, respectively.

Conclusions

The immunostain for p16INK4a and Ki-67 might be useful in reducing an inter-observer variability. But criteria for interpreting both markers should be strictly applied.

Citations

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Possible role of negative human papillomavirus E6/E7 mRNA as a predictor of regression of cervical intraepithelial neoplasia 2 lesions in hr-HPV positive women
Maria Teresa Bruno, Nazario Cassaro, Salvatore Giovanni Vitale, Arianna Guaita, Sara Boemi
Virology Journal.2022;[Epub] CrossRef
Evaluation of p16, human papillomavirus capsid protein L1 and Ki-67 in cervical intraepithelial lesions: Potential utility in diagnosis and prognosis
Hanan AlSaeid Alshenawy
Pathology - Research and Practice.2014; 210(12): 916. CrossRef
Distribution of Human Papillomavirus 52 and 58 Genotypes, and Their Expression of p16 and p53 in Cervical Neoplasia
Tae Eun Kim, Hwal Woong Kim, Kyung Eun Lee
Korean Journal of Pathology.2014; 48(1): 24. CrossRef
Detection and pathological value of papillomavirus DNA and p16INK4A and p53 protein expression in cervical intraepithelial neoplasia
JINGBO WU, XIAO-JING LI, WEI ZHU, XIU-PING LIU
Oncology Letters.2014; 7(3): 738. CrossRef
p16INK4a Immunohistochemistry in Cervical Biopsy Specimens
Miriam Reuschenbach, Nicolas Wentzensen, Maaike G. Dijkstra, Magnus von Knebel Doeberitz, Marc Arbyn
American Journal of Clinical Pathology.2014; 142(6): 767. CrossRef

Diagnostic Features of Fine Needle Aspiration Cytology of Pleomorphic Adenoma, Adenoid Cystic Carcinoma, and Mucoepidermoid Carcinoma of Salivary Gland.: Eun Sook Nam, Won Bo Jo, Jung Ho Han, Insun Kim; Korean J Cytopathol. 1990;1(1):60-67.

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Abstract PDF: The evaluate the diagnostic findings of salivary gland tumors, we reexamined aspiration cytology smears of 7 cases of pleomorphic adenoma, 3 cases of adenoid cystic carcinoma, and 3 cases of mucoepidermoid carcinoma, performed during April 1986 to March 1990, which were comfurmed by surgical excision and histologic diagnosis. The results obtained are summarized as follows : 1. All cases of pleomorphic adenoma showed branching cellular clusters of epithelial and myoepithelial cells. Acellular elements including myxomatous and chondroid components were observed. There were no cellular pleomorphism and nucleoli. Keratinizing squamous epithelial cells and keratin pearls were noted. 2. The smears of adenoid cystic carcinoma showed cell balls or cell cords containing a central hyaline core. Nuclear atypism and the nucleoli were frequently observed. There were no keratinizing squamous epithelial cells. 3. The smears of mucoepidermoid carcinoma showed mainly sheets or clusters of intermediate cells and some mucin-producing cells. Some nuclear pleomorphism was observed. Mucinous material and many inflammatory cells were present in the background.

Association of CD57+ Natural Killer Cells with Better Overall Survival in DLBCL Patients.: Jeong Hyeon Lee, Yoon Jin Kwak, Chul Hwan Kim, Insun Kim; Korean J Pathol. 2011;45(4):361-370.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.4.361

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Abstract PDF

BACKGROUND
Malignant tumor cells may evoke the innate and adaptive immune systems. Various immune cells are involved in this immune reaction, and tumor infiltrating lymphocytes, macrophages, natural killer (NK) cells are associated with patient prognosis for solid tumors.
METHODS
Seventy-eight patients who were diagnosed with diffuse large B cell lymphoma (DLBCL) between 2001 and 2009 were selected. CD57+ NK cells, CD68+ tumor associated macrophages (TAMs), and CD4+ and CD8+ T cells were evaluated in tissue sections using immunohistochemical staining and compared with clinical parameters including age, gender, performance status, clinical stage, serum lactic dehydrogenase level, number of extranodal sites, international prognostic index score, chemotherapy response, and survival.
RESULTS
Patients with high numbers of CD57+ NK cells had a significantly higher overall survival rate than patients with low numbers of CD57+ NK cells. However, no significant difference was observed between the number of CD57+ NK cells and other prognostic parameters. The number of CD68+ TAMs and CD4+ or CD8+ T cells was not significantly correlated with prognostic factors in patients with DLBCL.
CONCLUSIONS
An evaluation of tumor infiltrating CD57+ NK cells is recommended as a prognostic indicator in patients with DLBCL.

Citations

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The prognostic value of tumor-associated macrophages detected by immunostaining in diffuse large B cell lymphoma: A meta-analysis
Mei Lin, Shupei Ma, Lingling Sun, Zhiqiang Qin
Frontiers in Oncology.2023;[Epub] CrossRef

The Significance of MicroRNA Let-7b, miR-30c, and miR-200c Expression in Breast Cancers.: Sung Min Chun, Hee Jung Park, Chul Hwan Kim, Insun Kim; Korean J Pathol. 2011;45(4):354-360.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.4.354

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Abstract PDF

BACKGROUND
MicroRNA (miRNA) is a class of noncoding protein RNA as a promising biomarker for various diseases. In this study, the expression of let-7b, miR-30c, and miR-200c was studied in breast cancer tissues to evaluate the potential relationship with known clinicopathological parameters.
METHODS
Quantitative real-time polymerase chain reaction was performed to determine the expression level of three miRNAs in 37 pairs of noncancerous normal and cancer tissues and an additional 38 cancer tissues from patients with invasive ductal carcinoma.
RESULTS
miR-200c expression was higher in cancer tissues compared to noncancerous normal tissues, and its ratio was correlated with patient age at surgery, type of surgery, and Ki-67 expression. The expression level of let-7b in cancer tissues was inversely correlated with lymph node metastasis, histological grade, and Ki-67 expression but positively correlated with estrogen and progesterone receptor expression. miR-200c expression level was positively correlated with Her-2 expression. The miR-30c expression level in breast cancer was not correlated with any parameters.
CONCLUSIONS
miR-200c and let-7b could be used as biomarkers in patients with breast cancer, but its pathological mechanism should be determined.

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High DRC Levels Are Associated with Let-7b Overexpression in Women with Breast Cancer
Jarline Encarnación, Carmen Ortiz, Ralphdy Vergne, Wanda Vargas, Domenico Coppola, Jaime Matta
International Journal of Molecular Sciences.2016; 17(6): 865. CrossRef

WHO Classification of Malignant Lymphomas in Korea: Report of the Third Nationwide Study.: Jin Man Kim, Young Hyeh Ko, Seung Sook Lee, Jooryung Huh, Chang Suk Kang, Chul Woo Kim, Yun Kyung Kang, Jai Hyang Go, Min Kyung Kim, Wan Seop Kim, Yoon Jung Kim, Hyun Jung Kim, Hee Kyung Kim, Jong Hee Nam, Hyung Bae Moon, Chan Kum Park, Tae In Park, Young Ha Oh, Dong Wha Lee, Jong Sil Lee, Juhie Lee, Hyekyung Lee, Sung Chul Lim, Kyu Yun Jang, Hee Kyung Chang, Yoon Kyung Jeon, Hye Ra Jung, Min Sun Cho, Hee Jeong Cha, Suk Jin Choi, Jae Ho Han, Sook Hee Hong, Insun Kim; Korean J Pathol. 2011;45(3):254-260.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.254

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Abstract PDF

BACKGROUND
The aim of study was to determine the relative frequency of malignant lymphoma according to World Health Organization (WHO) classification in Korea.
METHODS
A total of 3,998 cases diagnosed at 31 institutes between 2005 and 2006 were enrolled. Information including age, gender, pathologic diagnosis, site of involvement and immunophenotypes were obtained.
RESULTS
The relative frequency of non-Hodgkin lymphoma (NHL) and Hodgkin lymphoma (HL) was 95.4% and 4.6%, respectively. B-cell lymphomas accounted for 77.6% of all NHL, while T/natural killer (T/NK)-cell lymphomas accounted for 22.4%. The most frequent subtypes of NHL were diffuse large B-cell lymphoma (42.7%), extranodal marginal zone B-cell lymphoma (MZBCL) of mucosa-associated lymphoid tissue (19.0%), NK/T-cell lymphoma (6.3%) and peripheral T-cell lymphoma (PTCL), unspecified (6.3%), in decreasing order. The relative frequency of HL was nodular sclerosis (47.4%), mixed cellularity (30.6%), and nodular lymphocyte predominant (12.1%) subtypes. Compared with a previous study in 1998, increase in gastric MZBCL and nodular sclerosis HL, and slight decrease of follicular lymphoma, PTCL, and NK/T-cell lymphoma were observed.
CONCLUSIONS
Korea had lower rates of HL and follicular lymphoma, and higher rates of extranodal NHL, extranodal MZBCL, and NK/T-cell lymphoma of nasal type compared with Western countries. Changes in the relative frequency of lymphoma subtypes are likely ascribed to refined diagnostic criteria and a change in national health care policy.

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Je Hun Kim, Ho Sup Lee, Jun Seop Lee, Jin Young Lee, Su Young Kim, Cheol Su Kim, Joung Wook Yang, Ga In You
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Hokyung Choung, Young A Kim, Namju Kim, Min Joung Lee, Sang In Khwarg
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Case Report

Immunohistochemical Identification of Pneumocystis jirovecii in Liquid-based Cytology of Bronchoalveolar Lavage: Nine Cases Report.: Jeong Hyeon Lee, Ji Young Lee, Mi Ran Shin, Hyeong Kee Ahn, Chul Whan Kim, Insun Kim; Korean J Pathol. 2011;45(1):115-118.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.115

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Abstract PDF

Pneumocystis pneumonia (PCP) is caused by the yeast-like fungus Pneumocystis jirovecii, which is specific to humans. PCP could be a source of opportunistic infection in adults that are immunosuppressed and children with prematurity or malnutrition. The diagnosis should be confirmed by identification of the causative organism, by analysis of the sputum, a bronchoalveolar lavage or a tissue biopsy. In both histologic and cytologic specimens, the cysts are contained within frothy exudates, which form aggregated clumps. The cysts often collapse forming crescent-shaped bodies that resemble ping-pong balls. We recently diagnosed nine cases of PCP using an immunohistochemical stain for Pneumocystis. The patients consisted of five human immunodeficiency virus positive individuals, two renal transplant recipients, and two patients with a malignant disease. All nine patients were infected with P. jirovecii, which was positive for monoclonal antibody 3F6. In conclusion, the immunohistochemical stain used in this report is a new technique for the detection of P. jirovecii infection.

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Metabolic Changes in Serum Metabolome of Beagle Dogs Fed Black Ginseng
Dahye Yoon, Ye Jin Kim, Wan Kyu Lee, Bo Ram Choi, Seon Min Oh, Young Seob Lee, Jae Kwang Kim, Dae Young Lee
Metabolites.2020; 10(12): 517. CrossRef
Effects of Red or Black Ginseng Extract in a Rat Model of Inflammatory Temporomandibular Joint Pain
Hyeon-Jeong Lee, Yun-Kyung Kim, Ja-Hyeong Choi, Jung-Hwa Lee, Hye-Jin Kim, Mi-Gyung Seong, Min-Kyung Lee
Journal of Dental Hygiene Science.2017; 17(1): 65. CrossRef
Value of Bronchoalveolar Lavage Fluid Cytology in the Diagnosis ofPneumocystis jiroveciiPneumonia: A Review of 30 Cases
Ji-Youn Sung, Joungho Han, Young Lyun Oh, Gee Young Suh, Kyeongman Jeon, Taeeun Kim
Tuberculosis and Respiratory Diseases.2011; 71(5): 322. CrossRef

Original Article

Korean Pediatric/Adolescent Lymphoma: Incidence and Pathologic Characteristics.: Seung Sook Lee, Jin Man Kim, Young Hyeh Ko, Jooryung Huh, Chang Suk Kang, Chul Woo Kim, Yun Kyung Kang, Jai Hyang Go, Min Kyung Kim, Wan Seop Kim, Yoon Jung Kim, Hyun Jung Kim, Hee Kyung Kim, Jong Hee Nam, Hyung Bae Moon, Chan Kum Park, Tae In Park, Young Ha Oh, Dong Wha Lee, Jong Sil Lee, Juhie Lee, Hyekyung Lee, Sung Chul Lim, Kyu Yun Jang, Hee Kyung Chang, Yoon Kyung Jeon, Hye Ra Jung, Min Sun Cho, Hee Jeong Cha, Suk Jin Choi, Jae Ho Han, Sook Hee Hong, Insun Kim; Korean J Pathol. 2010;44(2):117-124.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.2.117

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Abstract PDF

BACKGROUND
The Hematopathology Study Group of the Korean Society of Pathologists conducted a nation-wide retrospective analysis of Korean pediatric lymphoma, to provide pathologic data on pediatric/adolescent lymphoma subtypes and features.
METHODS
All lymphoma cases of all age groups were collected during a recent 2 year-period (2005-2006) from 32 institutes in Korea. Among 3,686 lymphoma patients, 142 who were age 18 or less were classified according to the World Health Organization (WHO) classification.
RESULTS
Among 142 pediatric/adolescent lymphoma patients, Hodgkin lymphoma accounted for 21 (14.8%) and non-Hodgkin lymphoma (NHL) for 121 (85.2%). Hodgkin lymphoma appears to be more common in the pediatric/adolescent age group than in the all-ages group (14.8% vs 4.4%). T- and natural killer cell-NHL was more common in the pediatric/adolescent age group than in the all ages group (46.3% vs 22%). The majority of Korean pediatric/adolescent NHL cases was composed of Burkitt lymphoma, T- or B-lymphoblastic lymphoma, anaplastic large-cell lymphoma, and diffuse large B-cell lymphoma. For lymphoma patients under the age of 6 years, most had B-lymphoblastic or Burkitt lymphoma, which commonly presented at extranodal sites.
CONCLUSIONS
The distribution of lymphoma subtypes in the pediatric/adolescent age group is quite different from the distribution of adults, but it was quite similar to distribution in Western countries.

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A Case of Nasal Type Extranodal NK/T Cell Lymphoma Incidentally Detected in a Child
Ha Jin Oh, Sang Hyun Park, Hae In Jang, Dong Hoon Lee, Yoo Duk Choi, Hee Jo Baek, Hoon Kook
Clinical Pediatric Hematology-Oncology.2015; 22(1): 76. CrossRef

Case Report

Extramedullary B Lymphoblastic Crisis of CML, Presenting as a Leptomeningeal Tumor: A Case Report.: Hoiseon Jeong, Bongkyung Shin, Sook Young Bae, Sangho Lee, Youngjune Ryu, Hankyeom Kim, Insun Kim; Korean J Pathol. 2009;43(5):482-488.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.5.482

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Abstract PDF: We report here on a rare case of a patient who presented with an extramedullary B lymphoblastic crisis as an initial manifestation of chronic myelogenous leukemia (CML). A 71-year-old man visited the emergency room due to suddenly developed dysarthria and right side weakness. Emergency craniotomy was done under the presumptive diagnosis of subdural hemorrhage. During the operation, a poorly demarcated firm mass was identified in the leptomeningeal space. Microscopically, the majority of the tumor was composed of monotonous immature cells with blast morphology, and these cells were immunoreactive for TdT, CD34, CD10 and CD20, indicating the precursor B-cell phenotype. The peripheral area of the tumor consisted of myeloid cells in various stages of maturation, and these cells were reactive for myeloperoxidase, chloroacetate esterase, CD43 and CD15. FISH analysis using the LSI bcr-abl dual color probe showed gene fusion signals in both the B-lymphoblasts and myeloid cells. The peripheral blood and bone marrow findings were consistent with CML with no evidence of a blast crisis. Cytogenetic study of the bone marrow demonstrated the 46, XY, t(9;22)(q34;q11) chromosome. A diagnosis of extramedullary B lymphoblastic blast crisis in a patient with Philadelphia chromosome-positive CML was made. Despite treatment, the patient died 3 months after he was diagnosed.

Original Article

The EGFR Protein Expression and the Gene Copy Number Changes in Renal Cell Carcinomas.: Sangho Lee, Jungsuk An, Aeree Kim, Young Sik Kim, Insun Kim; Korean J Pathol. 2009;43(5):413-419.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.5.413

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Abstract PDF

BACKGROUND
The epidermal growth factor receptor (EGFR) is known to be involved in many tumor promoting activities. EGFR inhibition has been tried as a therapeutic modality in many human malignancies.
METHODS
The expression of EGFR protein and the gene copy number changes were studied in 135 clear cell carcinomas and 16 papillary renal cell carcinomas (RCCs), and these tumors were diagnosed between 1995 and 1997.
RESULTS
An EGFR protein expression (2+ and 3+) was found in 54.1% of the clear cell RCCs and in 43.8% of the papillary RCCs. In the clear cell RCCs, its expression was associated with male gender, the tumor size (> or =4 cm) and high T stages (T2 and T3), with statistical significance. Trisomy and polysomy of the EGFR gene were found in 27 (25.7%) and 40 (38.1%) of 105 clear cell RCCs, respectively. Trisomy and polysomy were correlated with an EGFR protein expression and a high clinical T stage, with statistical significance. Among 15 papillary RCCs, 13 tumors showed trisomy (86.7%) and one showed polysomy (6.7%). Amplification was not found in both the clear cell and papillary type RCCs.
CONCLUSIONS
A considerable numbers of RCCs showed an overexpression of EGFR protein and increased EGFR gene copy numbers, yet the clinical significance of conducting a FISH study in RCC patients seems to be limited.

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EGFR protein overexpression correlates with chromosome 7 polysomy and poor prognostic parameters in clear cell renal cell carcinoma
Gordana Đorđević, Koviljka Matušan Ilijaš, Ita Hadžisejdić, Anton Maričić, Blaženka Grahovac, Nives Jonjić
Journal of Biomedical Science.2012;[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 Article

Pathological Characteristics of 20 Cases of Langerhans Cell Histiocytosis and Specificity of Immunohistochemical Stain of Langerin (CD207).: Youngjoon Ryu, Hyunjoo Lee, Sangho Lee, Hoiseon Jeong, Bongkyung Shin, Aeree Kim, Hankyeom Kim, Insun Kim; Korean J Pathol. 2009;43(2):113-119.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.2.113

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Abstract PDF

BACKGROUND
Langerhans cell histiocytosis (LCH) is a well-known neoplastic disorder of Langerhans cells which has characteristic findings, however, LCH has not been adequately studied in Korea.
METHODS
We analyzed the clinicopathologic features of 20 patients with LCH who were diagnosed between 1997 and 2006 at the Korea University Guro and Anam Hospitals.
RESULTS
The M:F ratio was 3:1 and the age ranged from 2-60 years (mean, 23.8 years [4 in 1st decade, 6 in 2nd decade, 2 in 3rd decade, 5 in 4th decade and 3> or =40 years of age). The cases were classified as unifocal unisystemic in 13 patients, multifocal unisystemic in 4 patients, and multifocal multisystemic in 3 patients. The bone was the most commonly involved organ (14), followed by lymph node (5), lung (2), skin (2) and ureter (1). The Langerhans cells were immunohistochemically stained with Langerin, CD1a, S-100 protein, and CD68. Langerin and CD1a were specific for Langerhans cells.
CONCLUSIONS
The distribution of the involved organs in patients with LCH was similar to the distribution in Western countries, but lymph node involvement was more frequent, whereas lung involvement was less common. Langerin is considered to be a specific marker for Langerhans cells.

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Treatment Outcome of Langerhans Cell Histocytosis
So Hak Chung, Jae Do Kim, Hyun Ik Jo
The Journal of the Korean Bone and Joint Tumor Society.2014; 20(1): 14. CrossRef

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