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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]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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