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Meatal stenosis - Overview

Alternative Names

Urethral meatal stenosis

Definition of Meatal stenosis:

Meatal stenosis is a narrowing of the opening of the urethra, the tube through which urine leaves the body.

Causes, incidence, and risk factors:

Meatal 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:

Having multiple endoscopic procedures (cystoscopy)
Severe, long-term atrophic vaginitis

Female urinary tract

Male urinary tract

Meatal stenosis

Reviewed last on: 9/7/2008
Linda Vorvick, MD, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and Louis S. Liou, MD, PhD, Assistant Professor of Urology, Department of Surgery, Boston University School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Jordan 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.

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