Search results
Results from the WOW.Com Content Network
Hydronephrosis is caused by obstruction of urine before the renal pelvis. The obstruction causes dilation of the nephron tubules and flattening of the lining of the tubules within the kidneys which in turn causes swelling of the renal calyces. [4] Hydronephrosis can either be acute or chronic. In acute hydronephrosis, full recovery of kidney ...
It is the most common cause of hydronephrosis detected in utero and is the most common anomaly detected on prenatal ultrasounds. [ 1 ] [ 2 ] It occurs in approximately 1 in every 1500 live births, is most commonly seen in males, involves the left ureter twice as often as the right ureter.
In the longer term, obstruction of the urinary tract may cause: [citation needed] Bladder stones; Atrophy of the detrusor muscle (atonic bladder is an extreme form) Hydronephrosis (congestion of the kidneys) Hypertrophy of the detrusor muscle (the muscle that squeezes the bladder to empty it during urination)
A urethral stricture is a narrowing of the urethra, the tube connected to the bladder that allows urination.The narrowing reduces the flow of urine and makes it more difficult or even painful to empty the bladder.
The most common cause of blockage necessitating a nephrostomy is cancer, especially ovarian cancer and colon cancer. Nephrostomies may also be required to treat pyonephrosis , hydronephrosis and kidney stones .
Postrenal azotemia and hydronephrosis can be observed following the obstruction of urine flow through one or both ureters. [ 17 ] Pain in the lower-left quadrant can sometimes be confused with diverticulitis because the sigmoid colon overlaps the ureter, and the exact location of the pain may be difficult to isolate due to the proximity of ...
Neurogenic bladder can cause hydronephrosis (swelling of a kidney due to a build-up of urine), recurrent urinary tract infections, and recurrent kidney stones which may compromise kidney function. [7] This is especially significant in spastic neurogenic bladder that leads to high bladder pressures.
The scarring of the small blood vessels, called capillary sclerosis, is the initial lesion of analgesic nephropathy. [7] Found in the renal pelvis, ureter, and capillaries supplying the nephrons, capillary sclerosis is thought to lead to renal papillary necrosis and, in turn, chronic interstitial nephritis.