obsolete_Ovarian Choriocarcinoma true NCIT:C4515 EFO:1000413 UMLS:C0346181 choriocarcinoma of the ovary germ cell choriocarcinoma of the ovary ovarian germ cell choriocarcinoma DOID:5550 3.88.0 ovary choriocarcinoma (disease) germ cell choriocarcinoma of ovary http://purl.obolibrary.org/obo/MONDO_0003507 Replaced by Mondo term MONDO_0003507, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0003507 ovarian choriocarcinoma SCTID:254870004 choriocarcinoma of ovary A choriocarcinoma arising from the ovary. When it appears before puberty is of germ cell origin. In children and young adults signs and symptoms include precocious pseudopuberty and vaginal bleeding. Serum human chorionic gonadotropin is elevated. Germ cell derived ovarian choriocarcinoma should be differentiated from primary or metastatic gestational choriocarcinoma affecting the ovary. The prognosis of germ cell derived choriocarcinoma is less favorable and requires more aggressive chemotherapy treatment regimens compared to gestational choriocarcinoma.