Testicular Seminoma with High Mitotic Index

**Semantic type:** Neoplastic Process

**Definition:** A seminoma of the testis characterized by increased cellular pleomorphism, high mitotic activity, and a non-prominent stromal lymphocytic infiltrate.

**Synonyms:** - Anaplastic Seminoma - Atypical Seminoma - Seminoma with high mitotic index - Seminoma, anaplastic