endodermal sinus tumor
Definition: a malignant neoplasm occurring in the gonads, in sacrococcygeal teratomas, and in the mediastinum; produces α-fetoprotein and is thought to be derived from primitive endodermal cells.
Synonym(s): yolk sac tumor
Definition: a malignant neoplasm occurring in the gonads, in sacrococcygeal teratomas, and in the mediastinum; produces α-fetoprotein and is thought to be derived from primitive endodermal cells.
Synonym(s): yolk sac tumor