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Abstract #2356

Using 18F-FDG PET-MR to compare and analyze the value of SUVmax and IVIM parameters in evaluating lung squamous and adenocarcinoma

Pengyang Feng1, Nan Meng2, Zhun Huang1, Ting Fang2, Fangfang Fu3, Yaping Wu3, Wei Wei3, Yan Bai3, Jianmin Yuan4, Yang Yang 5, Hui Liu 6, and Meiyun Wang*1,2
1Department of Radiology, Henan University People’s Hospital & Henan Provincial People’s Hospital, Zhengzhou, China, 2Department of Radiology, Zhengzhou University People’s Hospital & Henan Provincial People’s Hospital, Zhengzhou, China, 3Department of Radiology, Henan Provincial People’s Hospital, Zhengzhou, China, 4Central Research Institute, UIH Group, Shanghai, China, 5Central Research Institute, UIH Group, Beijing, China, 6UIH America, Inc, Houston, TX, United States

PET-MR is a new multi-modal imaging system that organically integrates PET and MRI. SUVmax is the most commonly used semi-quantitative index to measure how much 18F-FDG is taken up by the lesion. Intravoxel incoherent motion (IVIM), including D, D*, f values, provide parameters for the movement of tissue water molecules and parameters for the degree of tissue perfusion. Our results show that SUVmax and IVIM have similar diagnostic performance in the diagnosis of lung squamous and adenocarcinoma.

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