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The urethra is a tube that carries urine from the bladder so it can be expelled from the body.
Usually the urethra is wide enough for urine to flow freely through it. When the urethra narrows, it can restrict urinary flow. This is known as a urethral stricture.
Urethral stricture is a medical condition that mainly affects men.
Urethral stricture involves constriction of the urethra. This is usually due to tissue inflammation or the presence of scar tissue. Scar tissue can be a result of many factors. Young boys who have hypospadias surgery (a procedure to correct an underdeveloped urethra) and men who have penile implants have higher chances to develop urethral strictures.
A straddle injury is a common type of trauma that can lead to urethral stricture. Examples of straddle injuries include falling on a bicycle bar or getting hit in the area close to the scrotum.
Other possible causes of urethral stricture include:
Rarer causes include:
Some men have an elevated risk of developing urethral stricture, especially those who have:
Urethral stricture can cause numerous symptoms, which range from mild to severe. Some of the signs of a urethral stricture include:
Doctors may use several approaches to diagnose urethral stricture.
You can self-report the symptoms mentioned above. Your doctor may also ask about past illnesses and medical procedures to determine whether one or more risk factors are present.
A simple physical examination of the penis area can help the doctor identify issues that indicate the presence of a urinary stricture. For instance, the doctor will be able to readily observe redness (or urethral discharge) and find out if one or more areas are hard or swollen.
To make a definite diagnosis of a urethral stricture, the doctor may also decide to perform one or more of the following tests:
Treatment depends on the severity of the condition.
The primary mode of treatment is to make the urethra wider using a medical instrument called a dilator. This is an outpatient procedure, meaning you won’t have to spend the night at the hospital. A doctor will begin by passing a small wire through the urethra and into the bladder to begin to dilate it. Over time, larger dilators will gradually increase the width of the urethra.
Another nonsurgical option is permanent urinary catheter placement. This procedure is usually an option for severe cases. It carries risks such as bladder irritation and urinary tract infections.
Surgery is another option. An open urethroplasty is an option for longer, more severe strictures. This procedure involves removing affected tissue and reconstructing the urethra. Results vary based on the stricture size.
A catheter in the abdomen may need to divert and drain urine flow. This is very rare, and considered a last-resort method.
It’s not always possible to prevent urethral stricture. Since STIs are one cause, using protection during sexual contact can prevent some cases. However, injuries and other medical conditions associated with urethral stricture can’t always be avoided.
It’s important to see a doctor right away if you’re experiencing symptoms of urethral stricture. Treating the problem quickly is the best way to avoid serious complications.
Many people have a good outcome after treatment for a urethral stricture. You may need future treatments as well if the stricture is the result of scar tissue.
In some cases, stricture can cause urinary retention, the inability to urinate due to complete blockage in the urethra. This is a potentially dangerous condition. You should call your doctor right away if you experience symptoms of stricture and become unable to urinate.
Written by: Krista O'Connell
Published on: Aug 07, 2012on: Mar 29, 2017
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