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Abstract #4228

The value of DCE-MRI quantitatively predicting vascular invasion of rectal cancer

Wan Dong1, Anliang Chen1, Yuhui Liu2, Qingwei Song2, Lizhi Xie3, and Ailian Liu2
1Radiology, the First Affiliated Hospital of Dalian Medical University, Dalian, China, 2the First Affiliated Hospital of Dalian Medical University, Dalian, China, 3GE Healthcare, MR Research, Beijing, China

Synopsis

Vascular invasion has been proved to be closely related to the poor prognosis of rectal cancer. The current gold standard for the diagnosis of rectal cancer vascular tumor thrombus is postoperative pathology. MRI is a common technology in evaluating malignant tumor. In this work, we explored the feasibility of DCE-MRI in quantitatively predicting vascular invasion of rectal cancer. Results showed that the Ktrans and Kep can differentiate the vascular invasion from normal status accurately. Therefore, DCE-MRI may serve as a feasible and non-invasive way in predicting vascular invasion of rectal cancer preoperatively, that is of great significance for clinical diagnosis.

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