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Abstract #4986

The utilization of DDC value in detecting the status of LVI in rectal cancer patients at 3.0T MRI

Guangwen Zhang1 and Jinsong Zhang2

1Xijing Hospital, xi'an, People's Republic of China, 2Xijing Hospital, People's Republic of China

In this study, we aimed to investigate the value of DDC in assessing the status of lymphovascular invasion in patients with rectal cancer. Ninety-eight patients with rectal adenocarcinoma underwent DWI with 16 b-values at 3.0T MR system. We found there was an significant difference in DDC value between the LVI presence group (DDC=0. 893±0.151×10-3mm2/s, n=46) and the LVI absent group (DDC=0. 825±0.127×10-3mm2/s, n=52), (P=0.018). We speculate that DDC value derived from multi-b value DWI could be a useful functional parameter in detecting the status of LVI in rectal cancer patients.

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