Abstract #3745

Comparative analysis of IVIM and PET imaging versus APTw in assessing Ki-67 expression of non-small cell cancer

Ting Fang^1,2, Nan Meng¹, Zhun Huang², Pengyang Feng², Ziqiang Li², Yang Yang³, Jianmin Yuan⁴, and Meiyun Wang²

¹Zhengzhou University People's hospital, Zhengzhou, China, ²Henan Provincial People's Hospital, Zhengzhou, China, ³Beijing United Imaging Research Institute of Intelligent Imaging, Beijing, China, ⁴Central Research Institute, Shanghai, China

Synopsis

Intra-Voxel Incoherent Motion (IVIM), PET imaging, and Amide Proton Transfer weighted imaging (APTw) are all effective tools for distinguishing the pathological types of solitary pulmonary lesions. The difference between their ability to distinguish the Ki-67 high expression (HE) and low expression (LE) group is still unclear. Our study shows IVIM and PET imaging are better methods than APTw for distinguishing Ki-67 HE and LE groups of non-small cell cancer.

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