Testicular Mixed Choriocarcinoma and Seminoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant germ cell tumor arising from the testis. It is characterized by a mixture of choriocarcinoma and seminomatous morphologic elements. Patients may present with painless or painful testicular swelling.

**Synonyms:** - Mixed Choriocarcinoma and Seminoma of Testis - Mixed Choriocarcinoma and Seminoma of the Testis