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Meatal Stenosis and Stricture of the Female Urethra
A narrowing of the female urethra is usually found in distal part (meatal stenosis). The normal width of the urethra is more than 20 Charriere. In girls, the minimal width of the urethra can be approximated using the following formula:
Urethral width [Charriere] = age + 10
Signs and Symptoms
Dysuria, urgency and recurrent infections. The pathophysiological significance of an urethral narrowing without urinary retention is controversial.
Cystoscopy and calibration of the urethra with Bougie a boule to determine the width of the urethra. It is controversial, if the subvesical obstruction should be confirmed with urodynamic studies.
Meatal stenosis is treated with a sagittal incision of the fibrotic ring at 6 clock (meatotomy). The urethral mucosa is readapted in transverse direction (urethral mucosa with vulva mucosa). A blind urethrotomy is reserved for proximal strictures of the female urethra.
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Deutsche Version: Meatusstenose der weiblichen Harnröhre