Which of the following is a characteristic feature of Moyamoya disease?
Correct Answer: Absence of vascular inflammation
Description: Answer- B. Absence of vascular inflammationOcclusive disease involving large intracranial aeries, especially the distal internal carotid aery and the stem of the middle cerebral and anterior cerebral aery.The lenticulostriate aeries develop a rich collateral circulation around the occlusive lesion, which gives the impression of a 'puff of smoke" ( moyamoya in ]apanese) on conventional x-ray angiographyOccurs mainly in Asian children or young adults.Surgical bypass of extracranial carotid aeries to the dura or MCAs may prevent stroke and hemorrhage.
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