Metachronous Diffuse Large B-Cell Lymphoma of the Breasts: A Case Report and Literature Review.

Introduction: PBL is arare form of extranodal lymphoma. The most common pathology is diffuse large B cell lymphoma and most patients are diagnosed at stages 1 and 2. The therapeutic options undertaken so far include surgery, radiotherapy, and chemotherapy Case Presentation: The patient was a 54-year old woman with localized primary breast DLBCL. The patient underwent 6 courses of chemotherapy with an RCHOP regimen followed by radiotherapy of the breast and regional lymph nodes with a 40 Gy dose. The patient was in complete remission on PET scan 3 months later. Around one year after, the patient experienced relapse in the contralateral breast. Conclusions: In the pattern of relapse of patients, there is a tendency for extranodal relapse. In some studies maximum level of relapse occurring in CNS and some advocate CNS prophylaxis in these patients. The best outcome is for patients treated with chemotherapy including rituximab followed by radiation. We reviewed some studies in the aspect of treatment modalities and site of relapsed. [ABSTRACT FROM AUTHOR]