Epignathus: report of a case with successful outcome.

Epignathus is an extremely rare form of teratoma that arises from the palate or pharynx in the region of the basisphenoid (Rathke's pouch). This condition is associated with a high mortality rate caused by severe airway obstruction in the neonatal period, thus requiring prenatal planning and prompt surgical treatment after birth. The authors describe a case of a giant epignathus that was successfully resected followed by an uneventful recovery.