Primary Non-Hodgkin B Cell Lymphoma in a Man

Malignant breast lymphoma is a rare condition and primary breast lymphoma is extremely rare inthe male population. we present a case of a 26-year-old man (transgender) who presented with alarge palpable mass in the right breast. this mass was rapidly growing in size associated with rightaxillary lymphadenopathy. ultrasound and mri findings were consistent with birads iv lesionwhich was suspicious of malignancy. core biopsy was performed and histopathology confirmedthe diagnosis of primary non hodgkin b cell lymphoma of the breast.