Malignant Germ Cell Tumor

**Semantic type:** Neoplastic Process

**Definition:** A gonadal or extragonadal malignant neoplasm that arises from germ cells. Representative examples include embryonal carcinoma, yolk sac tumor, and seminoma.

**Synonyms:** - Germ cell cancer, NOS - Malignant Germ Cell Neoplasm - Malignant Neoplasm of Germ Cell - Malignant Neoplasm of the Germ Cell - Malignant Tumor of Germ Cell - Malignant Tumor of the Germ Cell