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Oncol Lett ; 15(2): 1707-1715, 2018 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-29403563

RESUMO

The aim of this study was to analyze the prevalence and prognostic value of myeloid differentiation factor 88 (MYD88) L265P in diffuse large B-cell lymphoma (DLBCL) patients treated with rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP). We assessed the MYD88 L265P mutation using an allele-specific semi-nested polymerase chain reaction method in 53 DLBCL patients treated with R-CHOP. The MYD88 L265P mutation was detected in 16 of 53 DLBCL (30.19%) samples from patients treated with R-CHOP. Age and location were statistically significantly associated with MYD88 L265P (P=0.025, 0.033, respectively), while treatment response and tumor recurrence were not. Univariate analysis showed that B symptoms (P=0.004) and Ki-67 (P=0.03) were significantly associated with progression-free survival (PFS), while MYD88 L265P showed no significant association with overall survival and PFS. Multivariate analysis showed that B symptoms were significantly associated with PFS. Our study suggests that the prognostic value of MYD88 L265P in DLBCL patients with R-CHOP requires further research.

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