Puff of smoke is a feature of
Correct Answer: Moya Moya disease
Description: Puff of smoke is a feature of Moya Moya disease on Angiography It is caused due to chronic vasospasm of supraclinoid pa of ICA. IVY'S SIGN- Prominent leptomeningeal collaterals in moya-moya disease result in vivid contrast enhancement and high signal on FLAIR due to slow flow. The appearance is reminiscent of the brain having been covered with ivy. Figure: Puff of smoke sign
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