Abstract #2435

Comparative study of APT combined with DKI in post-chemotherapy and non-chemotherapy rectal cancer

Xuedong Wang¹, Anliang Chen¹, Qingwei Song¹, Jiazheng Wang², and Ailian Liu¹

¹The first affiliated hospital of dalian medical university, DaLian, China, ²Philips Healthcare, China, Beijing, China

We aimed to explore the difference of amide proton transfer-weighted (APTw) imaging combined with DKI between the chemotherapy group and non-chemotherapy group of rectal cancer. The result showed that the highest diagnostic efficacy(AUC: 0.986; sensitivity: 91.8%; specificity: 100%) was acquired using APT combined with DKI, rather than APT and DKI value respectively.

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