Hydronephrosis Summary

Urinary system since the beginning until the urethra kidney mouth, as a continuous pipeline system. Urine from the urinary tract depends on the pipeline open, and normal urinary function. Urinary any part of the narrow channel or obstruction of the normal muscle and nerve disorder, through the urine can be obstacles, causing urinary obstruction, obstruction over from the site due to poor urine and gradually increased the pressure, to expand the lumen, leading to Kidney stagnant water, expansion, real thinning kidney, kidney dysfunction, if bilateral obstruction, a uremia serious consequences. Lead to urinary obstruction in many causes, can be congenital, such as the kidney and ureter junction narrow, urethral valve, horseshoe kidney, acquired diseases such as stones, cancer, benign prostatic hyperplasia, bladder neck contracture, and so on. It can also be a urinary tract outside the fiber with or obstruction caused by mass oppression, such as retroperitoneal fibrosis, lymphoma, and so on. It can also be a urinary tract neuromuscular obstacles, such as the giant of the ureter. Obstruction and sub-acute and chronic, acute renal obstruction in a short period of time to complete loss of function, and hydronephrosis not very obvious. Chronic obstructive kidney stagnant water allows more than 1,000 milliliters. Once the water with kidney infection, obstruction if not promptly discharge, difficult to cure infection, kidney infection and speed up the destruction of a vicious cycle, and even a kidney abscess.