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- Title
Non-Hodgkin lymphoma in the Far East: review of 730 cases from the international non-Hodgkin lymphoma classification project.
- Authors
Perry, Anamarija; Diebold, Jacques; Nathwani, Bharat; MacLennan, Kenneth; Müller-Hermelink, Hans; Bast, Martin; Boilesen, Eugene; Armitage, James; Weisenburger, Dennis; Perry, Anamarija M; Nathwani, Bharat N; MacLennan, Kenneth A; Müller-Hermelink, Hans K; Armitage, James O; Weisenburger, Dennis D
- Abstract
Large and systematic studies of non-Hodgkin lymphoma (NHL) in the Far East (FE) with good comparative data are scarce in the literature. In this study, five expert hematopathologists classified 730 consecutive cases of newly-diagnosed NHL from four sites in the FE (excluding Japan) using the World Health Organization classification. The results were compared to 399 cases from North America (NA). We found a significantly higher male to female ratio in the FE compared to NA (1.7 versus 1.1; p < 0.05). The median ages of patients with low-grade (LG) and high-grade (HG) B-NHL in the FE (58 and 51 years, respectively) were significantly lower than in NA (64 and 68 years, respectively). The FE had a significantly lower relative frequency of B-NHL and a higher frequency of T-NHL (82 vs. 18 %) compared to NA (90.5 vs. 9.5 %). Among mature B cell lymphomas, the FE had a significantly higher relative frequency of HG B-NHL (54.8 %) and a lower frequency of LG B-NHL (27.2 %) than NA (34.3 and 56.1 %, respectively). Diffuse large B cell lymphoma was more common in the FE (49.4 %) compared to NA (29.3 %), whereas the relative frequency of follicular lymphoma was lower in the FE (9.4 %) compared to NA (33.6 %). Among T-NHL, nasal NK/T cell NHL was more frequent in the FE (5.2 %) compared to NA (0 %). Peripheral T cell lymphoma was also more common in the FE (9.1 %) than in NA (5.3 %). Further epidemiologic studies are needed to better understand the pathobiology of these differences.
- Subjects
EAST Asia; LYMPHOMAS; TUMOR classification; WORLD Health Organization; B cell lymphoma; EPIDEMIOLOGICAL research; PUBLIC health; LYMPHOMA diagnosis; COMPARATIVE studies; INTERNATIONAL relations; RESEARCH methodology; MEDICAL cooperation; RESEARCH; EVALUATION research
- Publication
Annals of Hematology, 2016, Vol 95, Issue 2, p245
- ISSN
0939-5555
- Publication type
journal article
- DOI
10.1007/s00277-015-2543-4