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The combination of T2 mapping and diffusion kurtosis imaging (DKI) enhances the diagnosis of rectal cancer with and without vascular invasion
Deshuo Dong1, Ailian liu1, Jiazheng Wang2, Peng Sun2, Anliang Chen1, Wan Dong1, Yuhui Liu1, Qingwei Song1, and Renwang Pu1
1Radiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China, 2Philips Healthcare, Beijing, China
This study showed that T2 mapping combined with DKI had a better performance in the differential diagnosis of rectal cancer with and without vascular invasion.
Figure 2. A 65-year-old male rectal cancer patient without vascular invasion. T2W (1a), T2W with ROI s(1b), DWI (1c), T2 mapping (1d) , FA (1e) , MD (1f), Da (1g), Dr (1h) , MK (1i) map. Three ROIs of rectal cancer were showed on T2W image. Average T2, FA, MD, Da , Dr, MK values of the three ROI were 83.85ms, 0.251, 0.705um2 ms−1, 0.725 um2 ms−1, 0.612 um2 ms−1, 0.419.
Figure 1. A 74-year-old female rectal cancer patient with vascular invasion. T2W (1a), T2W with ROI s(1b), DWI (1c), T2 mapping (1d) , FA (1e) , MD (1f), Da (1g), Dr (1h) , MK (1i) map. Three ROIs of rectal cancer were showed on T2W image. Average T2, FA, MD, Da , Dr , MK values of the three ROI were 80.47ms, 0.302, 1.013 um2 ms−1, 1.313 um2 ms−1, 0.866 um2 ms−1, 2.400.