Keywords: Blood Vessels, Neuro
Motivation: To clear the depicting ability for the lenticulostriate arteries at 7 Tesla in patients with unruptured the middle cerebral artery aneurysm.
Goal(s): MRA at 7 Tesla can depict the lenticulostriate arteries more than that at 3 Tesla in assessment using the intraoperative video.
Approach: Comparison of accuracy of identification of LSAs at standard 3D TOF imaging at 3T, standard 3D TOF imaging at 7Tand high-resolution 3D TOF at 7T, using the findings of intraoperative video as the reference.
Results: LSAs were identified more accurately by HR7T 3D TOF than by S3T 3D TOF.
Impact: In patients with an unruptured MCA aneurysm, LSAs were identified more accurately by HR7T 3D TOF than by S3T 3D TOF; however, the ability to depict the vessels could depend on the resolution rather than the signal-to-noise ratio.
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