Biological Findings and Clinical Outcomes in Patients Treated With R‐ CHOP Plus High‐Dose Methotrexate as First‐Line Therapy in Large B‐Cell Lymphoma With Testis Involvement

Le résumé fourni par la source

Primary testicular lymphoma (PTL) is a rare occurrence of diffuse large B-cell lymphoma (DLBCL) that accounts for 1%-2% of all cases. Nodal DLBCL with testis involvement (DLBCL-T) and PTL are associated with poor prognosis, with high incidence of central nervous system relapse. Fifteen patients (median age 60 years) with PTL (n = 5) or DLBCL-T (n = 10) received high-dose methotrexate + R-CHOP. Overall, complete response (CR) rate was 73% and overall response rate 86%. With a 3.9-year median follow-up, 100% of patients with PTL had CR and none relapsed. On the contrary, 55% of DLBCL-T patients achieved CR among which only one was still in remission at the end of follow-up. Molecular parallels between PTL and Primary CNS Lymphoma (PCNSL) suggest shared origins, urging further research for tailored treatments and enhanced understanding of these lymphomas' biology.

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