期刊
CANCER
卷 107, 期 6, 页码 1294-1302出版社
WILEY
DOI: 10.1002/cncr.22121
关键词
Hodgkin lymphoma; chronic lymphocytic leukemia; leukemia; transformation; Epstein-Barr virus
类别
BACKGROUND. Hodgkin transformation is a rare complication of chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL). In this study, the authors assessed the incidence, presenting characteristics, and outcomes of patients with CLL/SLL who developed Hodgkin lymphoma (HL). METHODS. An electronic database search of patients with CLL/SLL who presented at The University of Texas M. D. Anderson Cancer Center Department of Leukemia between 1975 and 2005 was performed. RESULTS. Among 4121 patients with CLL/SLL, 18 patients (0.4%) developed HL. Presenting features included B-symptoms (67%), lymph node enlargement (79%), splenomegaly (43%), hepatomegaly (29%), hypercalcemia (6%), infection (6%), and mental status changes (6%). The median age was 72 years (range, 49-81 years), and there was a male preponderance (78%). The median time from CLL to HL diagnosis was 4.6 years (range, 0-12.9 years). Fourteen patients (78%) had been previously treated for CLL/SLL. Ten patients (56%) had received > 1 prior therapy. The median beta(2)-microglobulin level was 4.5 mg/L, and the median lactate dehydrogenase level was 610 IU/L. Epstein-Barr virus (EBV) was positive by in situ hybridization for EBV-encoded RNA in 3 of 4 tested patients. Fourteen patients (78%) received chemotherapy. The overall response rate was 44% (complete response rate, 19%). The median overall survival duration was 0.8 years (range, 0.03 years-6.7(+) years). The median failure-free survival (FFS) duration was 0.4 years. CONCLUSIONS. The rates of response, survival, and FFS in patients with Hodgkin transformation of CLL/SLL were inferior to those reported in patients with de novo HL and were similar to those in patients with Richter syndrome.
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