Abstract #3125

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

Bo Li^1,2, 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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