What is the cause of urethral obstruction?

The urethra is an important part of our body for urination. If the urethra is blocked, it will pose a great threat to our health and may easily lead to uremia. There are many causes of urethral obstruction, such as congenital urethral stenosis, bladder malformation, urethral odor, etc. Friends with urethral obstruction must receive timely treatment to avoid damage to other organs.

1. The most common stenosis of the kidney and renal pelvis is congenital stenosis of the junction of the renal pelvis and ureter . Blockage may also be caused by compression of valves or ectopic blood vessels in this area. Urine drainage is poor when there is renal malformation (such as horseshoe kidney) or renal ectopia. Stones and tumors can also cause blockage.

2. Dysfunction of the bladder nerves in the bladder and bladder neck is the most common cause . In addition, bladder malformations (bladder diverticula, duplicated bladders), stones, and tumors inside and outside the bladder often cause obstruction.

3. Ureteral obstruction caused by ectopic ureteral orifice and ureterocele due to ureteral stenosis. Vesicoureteral reflux is more common in children than in adults, while stones and pelvic tumor infiltration and compression are also causes of obstruction.

4. Common causes of urethral stenosis include stricture, which may be at the foreskin opening, urethral opening or urethra. Urethral stricture is often caused by trauma or inflammation. And congenital anterior and posterior urethral valves. In addition, urethral stones, pelvic and perineal tumors can also cause obstruction.