Moyamoya syndrome

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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Article information

rID: 10725
Section: Gamuts
Synonyms or Alternate Spellings:
  • Moya moya phenomenon
  • Moyamoya phenomenon
  • Moya moya pattern
  • Moyamoya pattern
  • Moyamoya syndrome

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Cases and figures

  • Case 1
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  • Left ICA LAO view.
    Case 2
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  • Case 3
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  • Characteristic "p...
    Case 4: background sickle cell disease
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