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Ultrasound Obstet Gynecol. 2014 Aug;44(2):238-40. doi: 10.1002/uog.13293. Epub 2014 Jun 26.

Cystoscopic placement of transurethral stent in a fetus with urethral stenosis.

Author information

1
Department of Obstetrics and Gynecology, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.

Abstract

We report the case of a fetus with severe megabladder, displaying the 'keyhole' sign on ultrasound imaging, that underwent cystoscopy at 22 weeks' gestation. There was a familial history of mild urethral atresia. Fetal cystoscopy revealed congenital urethral atresia. A guide wire was advanced through the fetal urethra and a transurethral vesicoamniotic stent was placed successfully. The fetus was delivered at 36 weeks' gestation and postnatal cystoscopy confirmed the absence of posterior urethral valves or urethral atresia. The infant was 5 years old with normal renal function at the time of writing. We conclude that fetal cystoscopic placement of a transurethral stent for congenital urethral stenosis is feasible.

KEYWORDS:

cystoscopy; fetal lower urinary tract obstruction; fetal surgery; laser therapy; posterior urethral valves; urethral atresia; urethral stenosis; vesicoamniotic shunting

PMID:
24375864
DOI:
10.1002/uog.13293
[Indexed for MEDLINE]
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