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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