Abstract #1834
Non-Contrast-Enhanced Whole Neck MR Angiography using Velocity Selective Saturation and Slab Selective Inversion
Chanjoo Park1, Zungho Zun2, Jaeseok Park3, Seung Hong Choi4, and Taehoon Shin1,5,6
1Division of Mechanical and Biomedical Engineering, Ewha Womans University, Seoul, Korea, Republic of, 2Department of Radiology, Weill Cornell Medicine, New York, NY, United States, 3Department of Biomedical Engineering, Sungkyunkwan University, Suwon, Korea, Republic of, 4Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea, Republic of, 5Graduate Program in Smart Factory, Ewha Womans University, Seoul, Korea, Republic of, 6Department of Medicine, Case Western Reserve University, Cleveland, OH, United States
Synopsis
Velocity-selective (VS) MRA is a promising non-contrast-enhanced angiography method allowing for high 3D spatial resolution and high angiographic contrast. This study proposes a VS-MRA protocol which includes field error compensation and slab-selective inversion for improved visualization of neck arteries. Initial in-vivo test shows that the proposed VS-MRA better depicts small vessels (such as facial and occipital arteries) and yields higher contrast enhancement ratio than clinical 3D TOF.
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