Meatal stenosis is a narrowing of the opening of the urethra, the tube through which urine leaves the body.
Alternative NamesUrethral meatal stenosis
Causes, incidence, and risk factorsMeatal stenosis can affect both males and females, but it is more common in males.
In males, it is often caused by swelling and irritation (inflammation) after a newborn is circumcised. This leads to abnormal tissue growth and scarring across the opening of the urethra. The problem is usually not found until the child is toilet trained.
In females, this condition is present at birth (congenital). Although less common, metal stenosis may also affect adult women.
Risks include:
In boys, a history and physical exam are enough to make the diagnosis.
In girls, a voiding cystourethrogram may be done. The narrowing may also be found during a physical exam, or when a health care provider tries to place a Foley catheter.
Other tests may include:
In females, meatal stenosis can usually be treated in the health care provider's office. This is done using local anesthesia to numb the area. Then the opening of the urethra is widened (dilated) with special instruments.
In boys, a minor outpatient surgery called meatoplasty is the treatment of choice.
Expectations (prognosis)Most people will urinate normally after treatment.
ComplicationsCall for an appointment with your health care provider if your child has symptoms of this disorder.
PreventionIf your baby boy has recently been circumcised, try to keep the diaper clean and dry. Avoid exposing the newly circumcised penis to any irritants.
ReferencesJordan GH, Schlossberg SM. Surgery of the penis and urethra. In: Wein AJ, ed. Campbell-Walsh Urology. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 33.
Elder JS. Abnormalities of the genitalia in boys and their surgical management. In: Wein AJ, ed. Campbell-Walsh Urology. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 126.
Elder JS. Obstruction of the urinary tract. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 540.
Elder JS. Anomalies of the penis and urethra. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 544.
Urinary meatal stenosis is a medical term that refers to narrowing of the opening of the urethra.
Urethral or meatal stenosis.
A metal.
The narrowing of a passageway in the urinary system is called a urinary tract obstruction. This can be caused by various factors such as kidney stones, tumors, or an enlarged prostate. It can lead to issues with urine flow and kidney function.
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