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Dilatation (widening) of the stricture
This is usually done by passing a thin plastic rod (boogie) into the urethra. This procedure may be done either under a local or a general anaesthetic. Rods of increasing thickness are gently inserted to gradually widen (dilate) the narrowed stricture. The aim is to stretch and widen the stricture without causing additional scarring. However, a stricture often tends gradually to narrow again after each dilation. Therefore, a repeat dilation is commonly needed every so often when symptoms recur. (Some people are given a self-lubricating catheter which they insert themselves regularly to keep a stricture dilated.) As a rule, the shorter the stricture, the greater the chance of a cure with dilation. It is a relatively easy procedure to do and so may be tried first.

Urethrotomy
In this procedure a thin telescope is passed into the urethra to see exactly where the stricture is. This is done during a general anaesthetic. A tiny knife is then passed down the telescope to cut along the stricture. This widens the narrowed stricture. You will get some relief of symptoms from this procedure. About one in three cases are 'cured' for good. However, like dilation, the stricture may re-form and the procedure may have to be repeated from time to time in some cases. Generally, the shorter the stricture, the greater the chance of a cure with this procedure. For example, one research study found that when a urethrotomy was done for a stricture less than 2 cm, there was a recurrence of symptoms within 12 months in about 4 in 10 cases. However, there was a recurrence in 8 in 10 cases within 12 months when the stricture was greater than 4 cm.

Surgery
A corrective operation may be an option if the above do not work. Various techniques are used. For example, a short stricture can be cut out and the two ends of the healthy urethra stitched together. If the stricture is longer, then one kind of operation is similar to 'skin grafting' the inside lining of the urethra. A graft is usually used from the inside of your cheek to form the new section of your urethra. Techniques continue to improve and your specialist will advise if an operation is likely to be successful, and which operation is best for the length and site of your stricture. As a rule, there is a high success rate in curing symptoms with these operations.

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The urethra is the tube that urine flows out from the bladder. It passes through the penis in men. The urethra is much shorter in women and ends just above the vagina. (In men, semen is also ejaculated through the urethra.)
A stricture occurs when a part of the urethra becomes narrowed. Any section of the urethra may be affected. There is usually some scar tissue around the affected part of the urethra that causes the narrowing. The length of strictures vary from less than 1 cm to the full length of the urethra.

Injury or damage to the urethra can heal with scar tissue that may cause a stricture. There are various types of injury that can damage the urethra. For example: an injury may occur during medical procedures to look into the bladder via the urethra; radiotherapy treatment may damage the urethra; a "fall astride" on to the frame of a bike can cause damage.

Infection of the urethra is another cause. For example:
Sexually transmitted infections such as gonorrhea or chlamydia.
Infection as a complication of long-term use of a catheter to drain the bladder.

Infection may cause inflammation in the tissues in and around the urethra. These infections usually clear with treatment but may leave some scar tissue at the site of the inflammation which can cause a stricture.

Symptoms
Obstructive voiding symptoms namely:

Decreased force of urinary stream
Incomplete emptying of the bladder
Urinary terminal dribbling
Urinary intermittency
Deflected urinary stream

Increased frequency of Micturation
Acute or Chronic Retention of Urine

Treatment is usually advised to improve the flow rate of urine, ease symptoms and to prevent possible complications. A specialist surgeon called a urologist advises on treatment. (A urologist treats problems of the urinary tract - such as prostate, bladder, kidney and penis problems.) Treatment options include the following. The one advised by your specialist will depend on factors such as the site and length of your stricture, and also your age and general wellbeing.