NCIt related terms : Vesicoureteric Reflux, Grade V;
NCIt definition : Vesicoureteral reflux in which there is urine reflux into the ureter and renal pelvis.
Severe tortuosity and dilatation of the ureter and the calyces are present.;
Alternative definition : NICHD: Massive reflux that grossly dilates the ureter and collecting system. All of
the calyces are blunted with a loss of papillary impression, and intrarenal reflux
may be present. There is significant ureteral dilation and tortuosity.;