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Korean J Pathol. 2014 Apr;48(2):126-132. English. Original Article.
Han JH , Ko YH , Kang YK , Kim WS , Kim YJ , Kim I , Kim HJ , Min SK , Park CK , Park CS , Shin BK , Yang WI , Oh YH , Lee JS , Lee J , Lee TH , Lee H , Lee HJ , Jeon YK , Cha HJ , Choi YD , Kim CW , .
Department of Pathology, Ajou University School of Medicine, Suwon, Korea.
Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
Department of Pathology, Inje University Seoul Paik Hospital, Seoul, Korea.
Department of Pathology, Konkuk University School of Medicine, Seoul, Korea.
Department of Pathology, Veterans Health Service Medical Center, Seoul, Korea.
Department of Pathology, Korea University College of Medicine, Seoul, Korea.
Department of Pathology, Inje University Sanggye Paik Hospital, Seoul, Korea.
Department of Pathology, Hallym University Sacred Heart Hospital, Anyang, Korea.
Department of Pathology, Hanyang University College of Medicine, Seoul, Korea.
Department of Pathology, Asan Medical Center, Seoul, Korea.
Department of Pathology, Korea University Guro Hospital, Seoul, Korea.
Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.
Department of Pathology, Hanyang University Guri Hospital, Guri, Korea.
Department of Pathology, Gyeongsang National University School of Medicine, Jinju, Korea.
Department of Pathology, Kyung Hee University School of Medicine, Seoul, Korea.
Department of Pathology, Dankook University College of Medicine, Cheonan, Korea.
Department of Pathology, Eulji University Hospital, Daejeon, Korea.
Department of Pathology, Eulji General Hospital, Seoul, Korea.
Department of Pathology, Seoul National University, Seoul, Korea. cwkim@snu.ac.kr
Department of Pathology, Ulsan University College of Medicine, Ulsan, Korea.
Department of Pathology, Chonnam National University Medical School, Gwangju, Korea.
Abstract

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.

Copyright © 2019. Korean Association of Medical Journal Editors.