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. 2018 Mar 19;9:233. doi: 10.3389/fphys.2018.00233

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Copyright © 2018 Qi, Liu, Lin, Lu and Wang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Measurement of cerebral blood flow (CBF) using phase contrast (PC) MRI. (A) Positioning of magnetic resonance angiography (MRA). (B) Positioning of PC MRI for the left internal carotid arteries (LICA), right internal carotid arteries (RICA), leftvertebral arteries (LVA) and right vertebral arteries (RVA) using the maximal-intensity-projection (MIP) images of the TOF angiogram. (C) Example velocity maps of the LICA, RICA, LVA, and RVA. Blood flow velocity was measured in the velocity map (red and blue circle).