Hydronephrosis

Hydronephrosis is the enlargement of the renal pelvis and pelvis due to urinary tract obstruction accompanied by renal tissue atrophy. Urinary tract obstruction can occur anywhere in the urinary tract and can be unilateral or bilateral. The degree of obstruction can be complete or incomplete, which can cause hydronephrosis after a certain period of time. Narrow ducts or obstructions in any part of the urinary tract and normal neuromuscular dysfunction, the passage of urine can cause obstacles, causing urinary flow obstruction. The pressure above the obstruction is gradually increased due to poor urine discharge, and the lumen enlarges, eventually leading to Hydronephrosis of the kidneys, dilation, thinning of the parenchyma of the kidneys, and impaired renal function. If bilateral obstruction occurs, the consequences of uremia are severe.

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