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Abstract #1679

Comparison between 3T MRI and CT for preoperative T staging of resectable esophageal cancer, with histopathological correlation

Jinrong Qu1 and Xu Yan2

1Radiology, Henan Cancer Hospital, Zhengzhou, China, 2MR Scientific Marketing, Siemens Healthcare, Shanghai, China

Seventy fourth patients with endoscopically proven EC and indeterminate T1/T2/T3/T4a stage by CT and EUS were enrolled prospectively. The diagnostic performances of MRI and CT were evaluated based on the sensibility, specificity and accuracy rate, the difference of accuracy rates between MRI and CT was analyzed by c2 test. This study showed MRI can obtain clear images of esophageal wall for preoperative T staging of EC with significantly higher accuracy rate than that of CT, and provide another high-accuracy non-invasive examination method for preoperative T staging of EC.

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