Different grades of reflux due to bladder abnormalities.
- Neurogenic bladder
- Chronic cystitis.
- Posterior urethral valve
MCUG : Two different cases showing reflux.
This is due to high pressure in bladder. During micturition, the urine flow upward in to the ureters and kidneys depending upon the grade of reflux
Refluxing megaureter in a voiding cystourethrogram
Contrast-filled, ballooning of the renal pelvicalyceal system (left > right)can be seen, as well as a dilated ureter with numerous kinks. This finding indicates grade V vesicoureteral reflux.