What are the signs and symptoms of moyamoya disease?

Updated: Nov 09, 2018
  • Author: Roy Sucholeiki, MD; Chief Editor: Amy Kao, MD  more...
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Answer

Children and adults with moyamoya disease may have different clinical presentations. The symptoms and clinical course vary widely, with the disease ranging from being asymptomatic to manifesting as transient events to causing severe neurologic deficits. Adults experience hemorrhage more commonly; cerebral ischemic events are more common in children.

Children may have hemiparesis, monoparesis, sensory impairment, involuntary movements, headaches, dizziness, or seizures. Mental retardation or persistent neurologic deficits may be present.

Adults may have symptoms and signs similar to those in children, but intraventricular, subarachnoid, or intracerebral hemorrhage of sudden onset is more common in adults.


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