intrarenal reflux

(redirected from pyelotubular reflux)

reflux

 [re´fluks]
a backward or return flow; see also backflow and regurgitation (def. 1).
esophageal reflux (gastroesophageal reflux) reflux of the stomach contents into the esophagus.
hepatojugular reflux distention of the jugular vein induced by applying manual pressure over the liver; it suggests insufficiency of the right heart.
intrarenal reflux reflux of urine into the renal parenchyma.
vesicoureteral reflux (vesicoureteric reflux) backward flow of urine from the bladder into a ureter.

in·tra·re·nal re·flux

urinary reflux from renal pelvis and calyces into the collecting ducts. This is seen as a blush of the renal pyramid on voiding cystourethrography.
Synonym(s): pyelotubular reflux