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Multiple mucosa-associated lymphoid tissue organs involving marginal zone B cell lymphoma: organ-specific relationships and the prognostic factors. Consortium for improving survival of lymphoma study.

Authors
 Sung Yong Oh  ;  Won Seog Kim  ;  Jin Seok Kim  ;  Seok Jin Kim  ;  Suee Lee  ;  Dae Ho Lee  ;  Jong-Ho Won  ;  In Gyu Hwang  ;  Min Kyoung Kim  ;  Soon Il Lee  ;  Yee Soo Chae  ;  Deok-Hwan Yang  ;  Hye Jin Kang  ;  Chul Won Choi  ;  Jinny Park  ;  Hyo Jung Kim  ;  Jung Hye Kwon  ;  Ho Sup Lee  ;  Gyeong-Won Lee  ;  Hyeon Seok Eom  ;  Jae-Yong Kwak  ;  Won Sik Lee  ;  Cheolwon Suh  ;  Hyo-Jin Kim 
Citation
 INTERNATIONAL JOURNAL OF HEMATOLOGY, Vol.92(3) : 510-517, 2010 
Journal Title
 INTERNATIONAL JOURNAL OF HEMATOLOGY 
ISSN
 0925-5710 
Issue Date
2010
MeSH
Adult ; Aged ; Aged, 80 and over ; Female ; Humans ; Korea ; Lymphoma, B-Cell, Marginal Zone/diagnosis ; Lymphoma, B-Cell, Marginal Zone/pathology* ; Lymphoma, B-Cell, Marginal Zone/therapy* ; Male ; Middle Aged ; Prognosis ; Retrospective Studies
Abstract
According to a previous review, multiple mucosa-associated lymphoid tissue (MALT)-organs involving marginal zone B cell lymphomas (MZLs) are present in 10-30% of patients. However, the clinical features and specific relationships among involved organs are yet to be clearly identified. In this study, we conducted retrospective analyses of multiple MALT organs involving MZLs (MM-MZLs) to identify their clinical features, treatment, prognosis, and specific relationships among involved organs. For analysis, between June 1987 and June 2009, a total of 55 patients from 17 different institutions in Korea, all of whom were histologically diagnosed with MM-MZL, were included in this study. MM-MZL was defined as MZL involving more than 2 different MALT organs. Multiple involvements within one MALT organ (e.g. both side ocular lesions, multiple lung nodules, and multiple stomach lesions, etc.) were excluded from this study. The male/female ratio of the 55 patients was 41/14. The median age of our subjects was 59 years (range 30-82 years). MM-MZL without lymph node (LN) was detected only in 9 patients (36.2%). Bone marrow (BM) involvement was observed in 17 patients (30.9%). The most common site of involvement was the gastrointestinal (GI) tract (25 patients, 45.5%) followed by the lung (40%), Waldeyer's ring (WR) (27.3%), and ocular area (25.5%). Ocular MZLs were commonly accompanied with WR- or lung-MZLs. GI-MZLs were WR or GI-MZLs. Lung-MZLs were frequently observed with ocular and GI-MZLs. WR-MZLs were ocular or GI-MZLs. A total of 53 patients were treated, and 2 on watchful wait. As much as 48 patients received chemotherapy-based treatment. Among them, CR or PR was achieved in 38 patients (79.2%, 95% CI 67-91%). Median time to progression (TTP) was 2.3 years (95% CI 1.4-3.2 years). Cause-specific overall survival (OS) did not reach the median value. The 5-year OS rate was 84.9%. MM-MZLs tend to be an indolent disease, characterized by prolonged survival with frequent relapses. The majority of cases could be controlled effectively via chemotherapy-based treatment, and prolonged survival was achieved in those patients. The GI, lung, WR, and ocular area were commonly presented with other MALT site MZLs, and an organ-specific relationship appears to be relevant to MM-MZLs.
Full Text
http://link.springer.com/article/10.1007%2Fs12185-010-0680-z
DOI
10.1007/s12185-010-0680-z
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jin Seok(김진석) ORCID logo https://orcid.org/0000-0001-8986-8436
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/102113
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