| MMD | mass median diameter; minimum morbidostatic dose; moyamoya disease; myotonic muscular dystrophy |
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| MMD | Moyamoya disease |
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| moyamoya disease | <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) (12 Dec 1998) |
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Synonyms : Moya-Moya Disease, Moyamoya Disease, Classic, Moyamoya Disease, Primary, Moyamoya Disease, Secondary, Moyamoya Syndrome, Classic Moyamoya Disease, Disease, Classic Moyamoya, Disease, Moya-Moya, Disease, Primary Moyamoya, Moya Moya Disease
| moyamoya d. |
cerebral ischemia due to occlusion of large arteries at the circle of Willis, with secondary proliferation of an abnormal network of vessels at the base of the brain, causing progressive neurologic disability; hemorrhage may occur from the dilated vessels.
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