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Moyamoya disease is a relatively uncommon, chronic cerebral vasculopathy of unknown aetiology that is characterised by unilateral or bilateral stenosis or occlusion of the proximal portion of the carotid arteries, together with an abnormal vascular network at the base of the brain. Most childhood cases manifest with the signs and symptoms of cerebral ischaemia or infarction, whereas intracerebral haemorrhage prevails in adults.1 2 We describe here a case of moyamoya disease in a 29 year old multiparous woman, who presented with involuntary limb movements induced by singing.
A 29 year old woman, gravida two, para two, presented to the neurological outpatient clinic at Chungbuk National University Hospital with recurrent episodes of brief involuntary movements affecting her left hand and arm. The movements were characterised as unilateral, brief, coarse, irregular, and wavering. There was no history of neuroleptic drug therapy, or family history of involuntary movement.
General physical, neurological, and neuropsychological examinations were unremarkable. Baseline blood tests, ECG, and …