May Be Caused by

Aplasia cutis

Avasthey-Roy syndrome

Bilaterally absent carotid arteries with primitive transmaxillary arterial anastomosis

Cerebral arteriovenous malformation

Cerebral calcification Kahn-Markowitz type

Facial hemangioma and dilatation of the carotid siphon

Familial arteriovenous malformation

Familial cavernous angioma syndrome

Familial intracranial aneurysm

Hemangiomatosis

Hemimegalencephaly and neonatal high-output cardiac failure

Hereditary neurocutaneous angiomatosis

Idiopathic multiple arterial stenoses

Meningioangiomatosis

Neurofibromatosis

Oculo-auriculo-vertebral spectrum

Osler-Weber-Rendu syndrome

PHACE association new

Polycystic kidney disease

Telangiectasias

Terson syndrome

Von Hippel-Lindau disease

Webbing of carotid and cerebral arteries