Polyembryoma

Polyembryoma
Classification and external resources
ICD-O	M9072/3

Polyembryoma is a rare, very aggressive form of germ cell tumor usually found in the ovaries. Polyembryoma has features of both yolk sac tumour and undifferentiated teratoma/embryonal carcinoma, with a characteristic finding of embryoid bodies lying in a loose mesenchymal stroma.

It has been found in association with Klinefelter syndrome.^[1]

References

↑ Beresford L, Fernandez CV, Cummings E, Sanderson S, Ming-Yu W, Giacomantonio M (2003). "Mediastinal polyembryoma associated with Klinefelter syndrome". J. Pediatr. Hematol. Oncol. 25 (4): 321–3. doi:10.1097/00043426-200304000-00011. PMID 12679648.

Germ cell tumors (ICD-O 9060–9119) (C45–C49/D17–D21, 171/214–215)

Germinomatous	Germinoma Seminoma Dysgerminoma

Nongerminomatous	Embryonal carcinoma Endodermal sinus tumor/Yolk sac tumor Teratoma: Fetus in fetu Dermoid cyst Struma ovarii Strumal carcinoid Trophoblastic neoplasm: Gestational trophoblastic disease Hydatidiform mole Choriocarcinoma Placental site trophoblastic tumor Polyembryoma Gonadoblastoma

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