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Pediatr Dev Pathol. 2010 Sep-Oct;13(5):404-7. doi: 10.2350/09-10-0731-CR.1. Epub 2010 Jan 19.

Giant umbilical cord edema caused by retrograde micturition through an open patent urachus.

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  • 1Department of Gastroenteropathology, University Medicine Göttingen, Robert-Koch-Straße 40, Göttingen, Germany.


A giant umbilical cord is a rare finding in mature newborns and originates from different developmental etiologies. We report on a case of a mature female newborn presenting a 50 × 8-cm giant umbilical cord without further malformations. Antenatal sonographic findings of a diffuse giant umbilical cord, elevated creatinine levels of 1.3 mg/dL in umbilical cord edema, gross and histopathological findings of allantoic remnants, and umbilical urinary discharge lead to the diagnosis of a patent urachus with retrograde micturition into the umbilical cord. Postnatal surgical repair was required. In antenatal sonography, cystic and diffuse changes should be considered in the differential diagnosis of a giant umbilical cord. In cases of diffuse enlargement, elevated umbilical creatinine can support the diagnosis of a patent urachus with open leakage into the Wharton's jelly. Appropriate surgical management is required.

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