Abstract #2794

Correlation of diffusion weighted MR imaging with the prognosis of locally advanced gastric carcinoma to neoadjuvant chemotherapy

Lei Tang¹, Ying-Shi Sun¹, Zi-Yu Li², Xiao-Ting Li ¹, Fei Shan², Zi-Ran Li², and Jia-Fu Ji²

¹Radiology, Peking University Cancer Hospital & Institute, Beijing, China, People's Republic of, ²GI surgery, Peking University Cancer Hospital & Institute, Beijing, China, People's Republic of

The percentage changes of ADC after neoadjuvant chemotherapy of gastric carcinoma have correlation with long-term prognosis. The significantly increased ADC after chemotherapy is more prone to signify long-term survival, and has potential to be a surrogate imaging biomarker for the prediction of the prognosis. ADCentire for the whole lesion is better than ADCmin for high signal area in the prognosis prediction.

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