Teratoma

Definition: A tumor originating from any of the three germinal layers. These tumors have a disorganized structure and can be very vascular. Teratomas of this region include: epignathus (nasopharyngeal teratoma), Pharyngeal and submandibular teratoma. A teratoma should be distinguished from hemangioma of the face, since the face is a frequent site for Hemangiomata.