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.
References
Polyembryoma Wikipedia(Text) CC BY-SA