Testicular Diffuse Large B-Cell Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** A diffuse large B-cell lymphoma that arises from the testis. It predominantly affects older men. Patients usually present with a unilateral hard painless mass. Bilateral masses have been described in a minority of patients.

**Synonyms:** - Primary Diffuse Large B-Cell Lymphoma of the Testis - Primary Large B-Cell Lymphoma of the Testis - Primary Testicular Diffuse Large B-Cell Lymphoma