A rare immature teratoma of the tela chorioidea of the third ventricle: late-onset, intrapartum ultrasound diagnosis and postnatal outcome.

We describe a previously unreported case of immature teratoma originating from the tela chorioidea of the third ventricle diagnosed during labor at term of pregnancy. Postnatal MR imaging and pediatric neurosurgery with postnatal outcome at 6 months of age are reported.