FREE subscriptions for doctors and students... click here
You have 3 more open access pages.

Hydronephrosis is an aseptic distension of the renal pelvis and calyces of the kidney with urine. It may result from conditions causing bladder outflow obstruction, or from congenital stenosis of the ureters - see pelvic hydronephrosis.

A complication is atrophy of the kidney parenchyma.

Last reviewed 01/2018