Abstract #2242

Application value of restriction spectrum imaging in differentiation of hepatocellular carcinoma and intrahepatic cholangiocarcinoma

Nan Meng¹, Yu Luo¹, Lei Shen¹, Pengyang Feng², Ziqiang Li³, Han Jiang³, Yunfei Zhang⁴, Yongming Dai⁴, Yan Bai^1,5, and Meiyun Wang¹

¹Zhengzhou University People’s Hospital & Henan Provincial People’s Hospital, Henan, China, ²Henan University People’s Hospital & Henan Provincial People’s Hospital, Henan, China, ³Xinxiang Medical University & Henan Provincial People's Hospital, Henan, China, ⁴MR Collaboration, Central Research Institute, United Imaging Healthcare, Shanghai, China, ⁵Department of Medical Imaging, Zhengzhou University People’s Hospital & Henan Provincial People’s Hospital, Zhengzhou, China

Synopsis

Keywords: Liver, CancerDiffusion-weighted imaging (DWI) can be used to evaluate the degree of tumor cell proliferation and tumor necrosis. The diffusion motion of water molecules is assumed to be Gaussian distribution, which has some limitations. In recent years, some advanced models have emerged that can provide more parameters to explore complex biological behaviors. Restricted spectral imaging (RSI) is one of them. However, the application of this model in liver disease is rare. The purpose of this study was to explore the potential value of the RSI model in the preoperative non-invasive differential diagnosis of hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC).

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