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Surgical Treatment for Meatal Stenosis

  • Posted on- Apr 16, 2018
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The main roles of the penis are to carry urine and sperm out of the body. The urethra is the tube that carries urine and sperm through the penis outside the body. The opening to the outside is called the "meatus."

What is Meatal Stenosis?

Meatal stenosis is when the opening at the end of the penis becomes narrow. This condition is usually acquired but can exist from birth.

What are the symptoms of Meatal Stenosis?

The symptoms of meatal stenosis relate to the stream of urine being partly blocked.

These can include:

  • Pain or burning while urinating
  • Getting sudden urges to urinate ("urgency")
  • Needing to urinate often ("frequency")
  • A urinary stream that sprays or is hard to aim
  • A small drop of blood at the tip of the penis when finished urinating

What causes Meatal Stenosis?

Meatal stenosis is mostly linked with circumcision and is rarely seen in uncircumcised males. It’s likely that the newly exposed tip of the penis (including the meatus) suffers from a mild injury causing meatus to narrow (stenosis).

Uric acid and ammonia crystals are the most common cause of the narrowing of the meatus. These crystals are found in the urine and can be found left in the diaper. These crystals may cause a low-grade inflammation which can cause the meatus to narrow over time.

Meatal stenosis can also result from mild ischemia (not enough blood to that part of the body) that occurs during circumcision. Finally, it can also be caused by a mild injury to the tip of the penis as it rubs against the diaper or the child’s own skin after circumcision.

Meatal stenosis can also occur after hypospadias repair. While this isn’t common, it’s seen in up to 1 in 25 patients who have this surgery.

The risk of meatal stenosis is also higher with:

Diagnosis

Meatal stenosis is found by your health care provider when a physical examination is done. A physical exam will show a small, narrowed meatus. This means the pathway is partly blocked. The lower part of the meatus is often stuck together. There’s no need to measure the opening, as that could cause more harm.

How is Meatal Stenosis treated?

The best way to treat meatal stenosis is with surgery. The stuck bottom part of the meatus is cut apart. This type of surgery is called a “meatotomy.” After surgery, meatal stenosis rarely comes back as long as proper care is taken.

Meatal stenosis can also be treated by stretching the opening wider (“dilation”). But this can tear the meatus. While this may relieve symptoms for a while, it can cause more scars to form. The new scars make the meatus narrower and cause worse symptoms.

What can the patient expect after treatment for Meatal Stenosis?

Meatotomy works very well. Pain at the tip of the penis can be helped with oral painkillers or warm baths. Bleeding is rare and usually controlled with direct pressure.

Recovery time is fast: typically, 1 to 2 days. Spreading lubricating ointment or petroleum jelly on the tip of the penis several times a day for 1 to 2 weeks can ease discomfort and help the wound to heal.

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