Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Moyamoya disease

From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search

moyamoya disease

(Science: radiology) progressive obstructive/occlusive cerebral arteritis, affecting distal ICA at bifurcation into its branches (anterior 2/3 of circle of Willis), usually involving both hemispheres, aetiology: unknown, age: predominantly in children and young adults. Clinical: headaches, behavioural disturbances, recurrent hemiparetic attacks radiographic findings: large network of vessels in BG (puff of smoke) and upper brainstem fed by, basilar a., ACA, MCA (dilatation of lenticulo-striates and anterior choroidal a.), anastomosis between leptomeningeal and dural meningeal arteries complication: subarachnoid haemorrhage (occasionally)