Journal
MEDICAL ONCOLOGY
Volume 31, Issue 9, Pages -Publisher
HUMANA PRESS INC
DOI: 10.1007/s12032-014-0185-3
Keywords
Serum beta-2 microglobulin; Hodgkin lymphoma; Prognostic marker
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The levels of serum beta-2 microglobulin (beta 2MG) are determined mainly from lymphoid tissue. To examine its prognostic value in Hodgkin lymphoma (HL), we conducted a retrospective analysis. We analyzed 67 patients with HL diagnosed and treated at seven institutes of the Yokohama City University Hematology Group between 1998 and 2011. The patients included 40 males and 27 females with a median age of 41 years (range 16-81 years). The HL subtypes were nodular sclerosis classical HL in 37 patients, mixed cellular classical HL in 23, lymphocyte-rich classical HL in 6, and nodular lymphocyte-predominant HL in 1. The 4-year overall survival (OS) rate of all 67 patients was 89 %. Patients with beta 2MG levels >= 2.5 mg/L (n = 18) showed inferior progression-free survival (PFS; 4-year PFS rate, 42 %) and inferior OS (4-year OS rate, 60 %) compared to patients who had beta 2MG levels <2.5 mg/L (n = 49; 4-year PFS rate, 87 %; 4-year OS rate, 98 %; P < 0.001). In multivariate analysis, only a serum beta 2MG level >= 2.5 mg/L was a significant adverse prognostic factor in regard to PFS (P = 0.04; relative risk 3.57). However, it was not significant prognostic factor for OS (P = 0.16) in the multivariate analysis. The serum beta 2MG level at diagnosis is a useful prognostic marker in patients with HL.
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