Primary epididymal lymphoma is an unusual observation. Only 2 cases of
non-Hodgkin's lymphoma of the epididymis have been previously reporte
d. We describe the clinical and pathologic features and management of
a primary high-grade malignant lymphoma of the epididymis in which a t
entative diagnosis of lymphoma was made on the basis of cytologic exam
ination and immunochemical staining of the material obtained from an a
spiration needle biopsy.