Term Name:	polyvesicular vitelline pattern ovarian yolk sac tumor
Synonyms:
Definition:	An ovarian endodermal sinus tumor that is characterized by a polyvesicular vitelline pattern, which involves vesicular structures with eccentric constrictions surrounded by a dense spindle cell stroma.
Ontology:	Human Disease [DOID:6514]   ( DOID:6514 )