Moyamoya syndrome

Last revised by Dr Daniel J Bell on 06 Mar 2020

Moyamoya syndrome, also termed the moyamoya pattern or phenomenon, is due to numerous conditions that can cause arterial occlusion of the circle of Willis, with resultant collaterals, and appearances reminiscent of moyamoya disease. These conditions include 1-4 :

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Cases and figures

  • Case 1
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  • Case 2
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  • Case 3
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  • Case 4: background sickle cell disease
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