Skip to Content
Medical Term:

moyamoya disease


Definition: A cerebrovascular disorder occurring predominantly in the Japanese, in which the vessels of the base of the brain become occluded and revascularized with a fine network of vessels; it occurs commonly in young children and is manifested by convulsions, hemiplegia, mental retardation, and subarachnoid hemorrhage; the diagnosis is made by the angiographic picture.

[Jap. addlebrained]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.