Abstract #0273

Visualization of Carotid Plaque: T1-SPACE vs. Compressed Sensing T1-SPACE

Sachi Okuchi¹, Yasutaka Fushimi¹, Tomohisa Okada², Akira Yamamoto¹, Tsutomu Okada¹, Takayuki Yamamoto¹, Katsutoshi Murata³, Yuta Urushibata³, and Kaori Togashi¹

¹Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan, ²Human Brain Research Center, Graduate School of Medicine, Kyoto University, Kyoto, Japan, ³Siemens Japan K.K., Tokyo, Japan

Compressed sensing (CS) algorithm has been brought into MRI. CS realizes iterative reconstruction of images from incoherently under-sampled data, which leads to shorter acquisition time. A 3D T1-weighted fast spin echo (T1-FSE) scan has been often used for plaque imaging. We compared visualization of carotid plaque and internal carotid artery (ICA) between 3D T1-FSE imaging with SPACE and with a prototype CS SPACE. In the result, CS-T1-SPACE revealed an equivalent visualization compared with T1-SPACE in evaluation of carotid plaque and ICA. CS-T1-SPACE would be useful for the visualization of carotid plaque and ICA.

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