Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Moyamoya
Medically reviewed by Min Clinic Staff | Updated: January 2026
Moyamoya: A pattern of progressive obstructive and occlusive cerebral arteritis (inflammation of the cerebral arteries that obstructs and occludes them), predominantly in children and young adults. Symptoms include headaches, behavioral abnormalities, and recurrent attacks of paralysis. The radiology findings are helpful in the diagnosis.