Moyamoya syndrome

Definition

A cerebrovascular disease caused by stenotic arteries at the base of the brain in the basal ganglia. Moyamoya, meaning "puff of smoke" refers to the appearance of the anastomotic vessel network formed at the base of the brain distal to the circle of Willis to compensate for the blockage.

Also indexed as

Nearby in Certain specified cerebrovascular diseases

• 8B22.0Dissection of cerebral arteries
• 8B22.1Cerebral venous thrombosis
• 8B22.2Cerebral vasoconstriction syndromes
• 8B22.3Isolated cerebral amyloid angiopathy
• 8B22.4Intracranial vascular malformation
• 8B22.5Cerebral aneurysm, nonruptured
• 8B22.6Familial cerebral saccular aneurysm
• 8B22.7Cerebral arteritis, not elsewhere classified