Testicular Yolk Sac Tumor, Prepubertal-Type

**Semantic type:** Neoplastic Process

**Definition:** Testicular yolk sac tumor that almost always occurs in pure form and is not associated with germ cell neoplasia in situ. It affects young children and is the most frequently seen testicular neoplasm in prepubertal children.

**Synonyms:** - Prepubertal Type Testicular Yolk Sac Tumor - Prepubertal-Type Testicular Yolk Sac Tumor - Testicular Yolk Sac Tumor, Prepubertal Type