Testicular plasmacytoma in a patient with the acquired immunodeficiency syndrome

Clinical, laboratory, and pathologic findings from a case of primary extram edullary plasmacytoma of the testis and sinuses in a patient with acquired immunodeficiency syndrome (AIDS) are presented. To our knowledge this is th e first case in the English literature of a primary testicular plasmacytoma in an HIV-infected patient. The findings in this report and those of other s confirm the difference in the pattern of plasma cell tumor (PCT) presenta tion in patients infected with AIDS from those In non-infected individuals, suggesting that these tumors should be considered In the differential diag nosis of AIDS-associated malignancies.