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Prognostic effect of Ki-67 expression in rituximab, cyclophosphamide, doxorubicin, vincristine and prednisone-treated diffuse large B-cell lymphoma is limited to non-germinal center B-cell-like subtype in late-elderly patients.

Authors
Koh, YW  | Hwang, HS | Park, CS | Yoon, DH | Suh, C | Huh, J
Citation
Leukemia & lymphoma, 56(9). : 2630-2636, 2015
Journal Title
Leukemia & lymphoma
ISSN
1042-81941029-2403
Abstract
This study evaluated the effect of age and cell of origin on the prognostic significance of Ki-67 labeling index (Ki-67 LI) on overall survival (OS) of diffuse large B-cell lymphoma (DLBCL) in a cohort of 697 patients treated with rituximab plus cyclophosphamide, doxorubicin, vincristine and prednisone (R-CHOP). Multivariate analysis revealed no prognostic significance of high Ki-67 LI (≥ 85%) for OS. However, on subgroup analysis, high Ki-67 LI was significantly associated with poor OS in late-elderly patients (aged ≥ 70 years) (p = 0.021) and non-germinal center B-cell-like (GCB) subtype (p = 0.015). In particular, high Ki-67 LI was associated with a poor prognosis in late-elderly patients with non-GCB subtype. No correlation was observed in young adults (aged < 60 years) or early-elderly (aged 60-70 years) patients or GCB subtype. The present study shows that high Ki-67 LI is a risk factor for poor OS in the late-elderly age group and non-GCB subtype in patients with DLBCL treated with R-CHOP.
MeSH

DOI
10.3109/10428194.2015.1004169
PMID
25573205
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Pathology
Ajou Authors
고, 영화
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