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The protection provided by the foreskin for the glans penis and meatus has been recognized since 1915. In the absence of the foreskin the meatus is exposed to mechanical and chemical irritation from ammoniacal diaper (nappy) that produces blister formation and ulceration of the urethral opening, which eventually gives rise to meatal stenosis (a narrowing of the opening). [1]
It is also sometimes called a stricture (as in urethral stricture). [3] Stricture as a term is usually used when narrowing is caused by contraction of smooth muscle (e.g. achalasia, prinzmetal angina); stenosis is usually used when narrowing is caused by lesion that reduces the space of lumen (e.g. atherosclerosis). [4]
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. [1] Urethral stricture is caused by injury, instrumentation, infection, and certain non-infectious forms of urethritis. The ...
These include vesicoureteral reflux, urethral stricture, and stenosis. The most common cause of hydronephrosis in young adults is kidney stones . In older adults, the most common cause of hydronephrosis is benign prostate hyperplasia (BPH), or intrapelvic neoplasms such as prostate cancer .
Non-endoscopic open surgical procedures such as colon surgery where the operation field is very close to the adjacent retroperitoneal ureter is a well-known procedure where ureters can be injured, especially when surgical plans are distorted in conditions such as tethered colon cancer or advanced inflammatory bowel disease.
Many leading urologists in the United States consider urethrotomy to be (almost) totally ineffective at providing long-term resolution of urethral stricture disease, and advocate excision of the damaged area followed by either a surgical anastomosis of the (now) patent urethral ends, or a grafting of similar tissue harvested from elsewhere on ...
Damage to the urethra, such as by kidney stones, chronic infection, cancer, or from catheterisation, can lead to narrowing, called a urethral stricture. [24] The location and structure of the narrowing can be investigated with a medical imaging scan in which dye is injected through the urinary meatus into the urethra, called a retrograde ...
A meatotomy (/ m iː ə ˈ t ɒ t əm ɪ / [1] [2]) is a form of penile modification in which the underside of the glans is split, extending the urinary meatus.The procedure may be performed by a doctor to alleviate meatal stenosis or urethral stricture.