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Abstract #0488

Preliminary study of PET/MR 18F-NaF imaging combined with CATCH sequence of high-risk plaque

Xiao Bi1, Wei Dong2, Yibin Xie3, Jiajin Liu1, Xiaojun Zhang1, Zhiwei Guan1, Damini Dey3, Jing An 4, Piotr Slomka3, Daniel Berman3, Debiao Li3, and Baixuan Xu1

1Department of Nuclear Medicine, Chinese PLA General Hospital, Beijing, China, 2Department of Cardiology, Chinese PLA General Hospital, Beijing, China, 3Cedars Sinai Medical Center, Los Angeles, CA, United States, 4Siemens Shenzhen Magnetic Resonance Ltd. China, Beijing, China

This study aimed to investigate the value of PET/MR 18F-NaF combined with CATCH technology in the diagnosis of high-risk plaque preliminarily. We compared if it had the statistical difference of PMR and TBRmax between the culprit vascular plaque and the control,and evaluated if it had correlation between PMR and TBRmax. There were higher PMR and TBRmax in culprit plaque. PMR and TBRmax had a weak correlation. PET/MR 18F-NaF combined with the CATCH technique can noninvasively determine the location of high-risk plaque in coronary artery, and is valuable for the diagnosis of high-risk plaque.

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