[Malignant lymphoma of the testis].

Two cases of malignant lymphoma arising from the testis are presented. High inguinal orchiectomy was performed on a 72-year-old and a 79-year-old man. Histological findings were malignant lymphoma of the testis. One was large cell type and the other was mixed cell type in diffuse lymphoma according to the LSG classification. We reviewed 22 malignant lymphomas of the testis reported in Japan along with LSG classification.