WHO Classification of Malignant Lymphomas in Korea: Report of the Third Nationwide Study
- Authors
- Kim, Jin-Man; Ko, Young-Hyeh; Lee, Seung-Sook; Huh, Jooryung; Kang, Chang Suk; Kim, Chul Woo; Kang, Yun Kyung; Go, Jai Hyang; Kim, Min Kyung; Kim, Wan-Seop; Kim, Yoon Jung; Kim, Hyun-Jung; Kim, Hee Kyung; Nam, Jong Hee; Moon, Hyung Bae; Park, Chan-Kum; Park, Tae In; Oh, Young-Ha; Lee, Dong Wha; Lee, Jong Sil; Lee, Juhie; Lee, Hyekyung; Lim, Sung-Chul; Jang, Kyu Yun; Chang, Hee-Kyung; Jeon, Yoon Kyung; Jung, Hye Ra; Cho, Min-Sun; Cha, Hee Jeong; Choi, Suk Jin; Han, Jae Ho; Hong, Sook Hee; Kim, Insun
- Issue Date
- 2011
- Publisher
- KOREAN SOCIETY PATHOLOGISTS
- Keywords
- Lymphoma; Malignant; WHO; Korea
- Citation
- KOREAN JOURNAL OF PATHOLOGY, v.45, no.3, pp.254 - 260
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- KOREAN JOURNAL OF PATHOLOGY
- Volume
- 45
- Number
- 3
- Start Page
- 254
- End Page
- 260
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/115067
- DOI
- 10.4132/KoreanJPathol.2011.45.3.254
- ISSN
- 1738-1843
- Abstract
- 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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