Congenital immature teratoma of the fetal brain.

摘要: Congenital intracranial tumors are very rare and only account for 0.5–1.5% of all childhood brain tumors. Even rarer those with prenatal manifestation. The most common these present at birth teratomas, which show divergent differentiation 90% them containing tissues from three germ layers. We report a case an intrauterine congenital immature teratoma in female fetus 23 weeks gestation, was sonographically diagnosed vivo by detection the tumor associated craniomegaly. Because poor prognosis, termination pregnancy induced Rivanol instillation. cerebral confirmed autopsy not any other malformations. Histological immunohistochemical features this presented.