Journal Article

Allantoic cyst – an unusual umbilical cord swelling

N Gupta, H Corbett, R Ismail, R Sathanantharajah, S Sivakumar and Liam McCarthy

in Journal of Surgical Case Reports

Published on behalf of JSCR Publishing Ltd

Volume 2011, issue 4, pages 5-5
Published in print April 2011 |
Published online April 2011 | e-ISSN: 2042-8812 | DOI:

Show Summary Details


We report a baby with an unusual umbilical cord swelling. On the antenatal scans, a cystic area within the umbilical cord near its insertion onto the abdominal wall was detected. Postnatally an unusually thick umbilical cord with a yellow fluid filled cyst at the base was noted. The fluid from the cyst was confirmed as urine and ultrasound confirmed patent urachus. The baby underwent a cystoscopy and excision of patent urachus with associated allantoic cyst. Allantoic cyst is a rare swelling formed at the base of umbilicus associated with a patent urachus which results from an allantoic remnant. Paediatricians need to be aware about this condition as investigation is required to differentiate allantois cysts from umbilical pseudocysts. A patent urachus with allantoic cyst requires surgical excision.

Journal Article.  935 words.  Illustrated.

Subjects: Paediatric Surgery

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