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Abstract #3125

Quantitative Evaluation of RECS-3D MERGE MR Imaging for Carotid Plaque Assessment

Bo Li1,2, Hao Li3, Guofu Huang1, Xia Qian1, Wei Wang1, and Li Dong4

1Center Laboratory, The First Hospital of Nanchang City, Nanchang, People's Republic of China, 2Department of Radiology, The Third Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China, 3Department of Radiology, University of Cambridge, Cambridge, United Kingdom, 4Department of Radiology, Beijing Anzhen Hospital, Beijing, People's Republic of China

We sought to quantitatively investigate the performances on blood suppression efficiency, wall-lumen CNR and plaque burden measurements for the RECS-3D MERGE sequence in carotid vessel wall MR imaging.

Twelve patients with carotid artery stenosis were recruited in this study. Lumen SNR and wall-lumen CNR were calculated and plaque burden measurements (i.e., lumen area, wall area, mean wall thickness and maximum wall thickness) were measured.

The RECS-3D MERGE was quantitatively demonstrated to have the ability to provide the comparable blood suppression, black-blood image quality and the highly correlated morphometry with the current plaque imaging protocol. The RECS-3D MERGE could be a promising tool for plaque burden measurement in a short scan time.

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