Estimating Flow Direction of Circle of Willis Using Dynamic Arterial Spin Labeling Magnetic Resonance Angiography

Kaiyu Zhang; Halit Akcicek; Gen Shi; Gádor Cantón; Josh Liu; Yin Guo; Xin Wang; Li Chen; Kristi Pimentel; Ebru Yaman Akçiçek; Xihe Tang; Yongjian Jin; Xuesong Li; Niranjan Balu; Thomas S. Hatsukami; Mahmud Mossa‐Basha; Zhensen Chen; Chun Yuan

doi:10.3174/ajnr.a8355

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Abstract

The circle of Willis (COW) is a crucial mechanism for cerebral collateral circulation. This proof-of-concept study aims to develop and assess an analysis method to characterize the hemodynamics of the arterial segments in the COW by using arterial spin-labeling (ASL) based non-contrast-enhanced dynamic MR angiography (dMRA).

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Zhang et al. (2024) studied this question.

synapsesocial.com/papers/68e6886ab6db643587610e64 https://doi.org/10.3174/ajnr.a8355

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Estimating Flow Direction of Circle of Willis Using Dynamic Arterial Spin Labeling Magnetic Resonance Angiography

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Abstract

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Estimating Flow Direction of Circle of Willis Using Dynamic Arterial Spin Labeling Magnetic Resonance Angiography

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