Fig 1.
Routine protocol of VCUG in our center.
(A) A pre-contrast filling anteroposterior (AP) image. (B) An AP image with a contrast-filled UB. (C) A lateral image of the contrast-filled UB. (D) and (E) Right and left oblique image during voiding. (F) An AP image after voiding. VCUG, voiding cystourethrogram.
Fig 2.
Examples for inadequate centering and timing.
Abnormal tilted positioning with deviation of spine axis and tilted pelvis on lateral (A) and oblique image (B) with blurred bony structures due to motion artifact. (C) and (D) show abnormal centering of contrast filled urinary bladder. (E) External artifact noted by contrast excretion.
Table 1.
Comparison of patient related factors between the two groups.
Table 2.
Comparison of image quality related factors between the two groups.
Table 3.
Comparison of dose related factors between the two groups.