Keywords: Kidney, CEST & MTAmide proton transfer-weighted (APTw) is a promising molecular imaging technique that has been employed in clinics for the detection and grading of tumors. APT value is easily influenced by B0 inhomogeneity causing image artifacts; This variation becomes more complex in abdominal motion organs than that in the brain. This study focused on the effect of variation in B0 field drift with different examination orientations on renal APT image quality. The results showed when head-first and foot-first scanning were used on 3D-APT imaging of normal kidneys, the change of B0 drift on the quality of renal APT image should be noticed.
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