Keywords: Digestive, Digestive
Motivation: Tumor staging is crucial for rectal cancer.
Goal(s): To investigate the value of APTw imaging for rectal cancer staging.
Approach: Both patients with confirmed rectal cancer and healthy volunteers as control group were included for MR scanning including APTw. Radiologists gave the T stage based on MR images with and without APTw. Statistical analyses were conducted to evaluate the diagnostical accuracy with pathological results as reference.
Results: The accuracy of T staging with and without APTw on all cases with rectal cancer (n=50) was 76% and 45%, respectively. The statistical results of accuracy comparison showed significance for staging T2 (Z=-2.51, P=0.028<0.05).
Impact: APTw imaging provides information on rectal cancer staging.
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