Prenatal causes of an allantoic cyst with a patent urachus
Journal Title: Pediatric Urology Case Reports - Year 2017, Vol 4, Issue 2
Abstract
Prenatal diagnosis of an allantoic cyst with a patent urachus is rare. A urological etiology can sometimes be associated with it. We report 4 cases of allantoic cyst with a patent urachus and reviewed the literature to investigate for any etiology using the keywords “allantoic cyst” and “patent urachus”. Diagnosis of an allantoic cyst with a patent urachus was established during the first or second trimester of pregnancy. In two cases, rupture of prenatal cysts occurred and in one case, we described a prenatal vesicourethral abnormality. Surgery was performed with good results and no complications. A literature review collected 12 studies (15 fetuses) with a sex ratio of 3 boys/1 girl. The cysts ruptured in 2/3 of the cases, and in half of the cases, urinary abnormalities were found before birth (enlarged bladder, bladder prolapse). At birth, one boy had posterior urethral valve (PUV) and 4 boys had a bladder prolapse. The postoperative course was uneventful. We present our series with one case showing the etiology of a patent urachus during prenatal life. Cystoscopy seems to be valuable in the post-natal diagnosis. In the literature, we found one case of PUV. Surgery was performed with good results and no complications.
Authors and Affiliations
Victor Cavillon, Anne Schneider, Poornima Donepudi, Raphael Moog, Isabelle Lacreuse, Anne Sophie Weingertner, Romain Favre, François Becmeur
Keywords
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- EP ID EP454426
- DOI 10.14534/PUCR.2017225092
- Views 137
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