[Differential diagnosis of vascular malformations of the upper aerodigestive tract].

The differential diagnosis of vascular malformations of the upper aero-digestive tract may represent a diagnostic challenge and become a hindrance for therapy planning. The terminus "extracranial vascular anomalies" of the Head and Neck integrates hemangiomas and vascular malformations. The differential diagnosis contains benign and malign neoplasms, naevi, pigmentations and purpura.