Background: Diffuse large B-cell lymphoma (DLBCL) involving the breast, spleen, and bone in a male patient with hepatitis B virus (HBV) infection is extremely rare in clinical practice.

Case Presentation: We report a case of DLBCL involving the breast, spleen, and bone (triple expression of Bcl-2, Bcl-6, and 70% positive C-mcy) in a male patient with HBV admitted to our hospital. The patient was treated with EPOCH×4, lenalidomide+EPOCH×2 chemotherapy, intermittent methotrexate intrathecal injections to prevent central invasion, and autologous stem cell transplantation (ASCT). The patient is currently in complete remission, and the follow-up time was 43 months.

Conclusion: A patient with DLBCL involving the breast, spleen, and bone can be treated with a combination of multiple regimens. If the patient's economic conditions permit it, ASCT can be considered.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10493155PMC
http://dx.doi.org/10.2147/CMAR.S427217DOI Listing

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