open access

Vol 92, No 8 (2021)
Clinical vignette
Published online: 2021-08-16
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Cystic dilatation of umbilical cord associated with patent urachus

Anna Rosner-Tenerowicz1, Jerzy Florjanski1, Wasyl Paslawski1, Aleksandra Piatek1, Mariusz Zimmer1
DOI: 10.5603/GP.a2021.0156
·
Pubmed: 34541633
·
Ginekol Pol 2021;92(8):595-596.
Affiliations
  1. 2nd Department of Gynecology and Obstetrics, Wroclaw Medical University, Wroclaw, Poland

open access

Vol 92, No 8 (2021)
CLINICAL VIGNETTES
Published online: 2021-08-16

Abstract

An urachus is a remnant of allantois in embryo development constituting a connection between the dome of the bladder and umbilicus. It develops on day 16 after conception and closes during the pregnancy to form the median umbilical ligament. Patent urachus results from a failure in closing its lumen in 10–12 gestational weeks. This anomaly occurs in 1–2 babies in 100,000 births. We present the case of patent urachus. In 20 gestational weeks, a dilatation of the umbilical cord with an anechoic mass with a transverse dimension of 19 x 12 mm starting from the fetal insertion and length of 30 cm was seen on ultrasound without any other fetal and placental disorders. Histology showed cystic edema. Prenatal diagnosis of patent urachus can be difficult because this pathology may be mistaken with other, more dangerous causes of cord cysts; thus, the occurrence of cord cysts should be closely monitored.

Abstract

An urachus is a remnant of allantois in embryo development constituting a connection between the dome of the bladder and umbilicus. It develops on day 16 after conception and closes during the pregnancy to form the median umbilical ligament. Patent urachus results from a failure in closing its lumen in 10–12 gestational weeks. This anomaly occurs in 1–2 babies in 100,000 births. We present the case of patent urachus. In 20 gestational weeks, a dilatation of the umbilical cord with an anechoic mass with a transverse dimension of 19 x 12 mm starting from the fetal insertion and length of 30 cm was seen on ultrasound without any other fetal and placental disorders. Histology showed cystic edema. Prenatal diagnosis of patent urachus can be difficult because this pathology may be mistaken with other, more dangerous causes of cord cysts; thus, the occurrence of cord cysts should be closely monitored.

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Keywords

patent urachus; prenatal diagnosis; giant umbilical cord

About this article
Title

Cystic dilatation of umbilical cord associated with patent urachus

Journal

Ginekologia Polska

Issue

Vol 92, No 8 (2021)

Article type

Clinical vignette

Pages

595-596

Published online

2021-08-16

DOI

10.5603/GP.a2021.0156

Pubmed

34541633

Bibliographic record

Ginekol Pol 2021;92(8):595-596.

Keywords

patent urachus
prenatal diagnosis
giant umbilical cord

Authors

Anna Rosner-Tenerowicz
Jerzy Florjanski
Wasyl Paslawski
Aleksandra Piatek
Mariusz Zimmer

References (4)
  1. Schiesser M, Lapaire O, Holzgreve W, et al. Umbilical cord edema associated with patent urachus. Ultrasound Obstet Gynecol. 2003; 22(6): 646–647.
  2. Nobuhara KK, Lukish JR, Hartman GE, et al. The giant umbilical cord: an unusual presentation of a patent urachus. J Pediatr Surg. 2004; 39(1): 128–129.
  3. Brooks K, Guileyardo J, Le D, et al. Giant cystic umbilical cord associated with patent urachus and intrauterine fetal demise. Proc (Bayl Univ Med Cent). 2017; 30(2): 209–210.
  4. Sepulveda W, Wong AE, Gonzalez R, et al. Fetal death due to umbilical cord hematoma: a rare complication of umbilical cord cyst. J Matern Fetal Neonatal Med. 2005; 18(6): 387–390.

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