Patent urachus or bladder exstrophy occulta? A case of prenatally disappeared umbilical cord cyst

We report a baby with an unusual true umbilical cord cyst detected at 12 weeks gestation which as the pregnancy progressed became increasingly difficult to distinguish from a pseudocyst of the umbilical cord. Concern of the possibility of cord compression/cord accident led to an elective caesarean section being performed at 35+ week’s gestation with delivery of a healthy female infant weighing 2170g. At birth the cyst ruptured and the resultant thickened elongated cord was clamped accordingly. After the cord clamp fell off at 5 days post delivery an elongated umbilical stump was left behind from which a stream of urine surprisingly jetted out from the umbilicus each time the baby cried. A patent urachus was confirmed on ultrasound and the umbilical jet of urine resolved at 4 weeks post delivery after treatment of an Escherichia coli urinary tract infection. At 11 weeks post delivery a laparoscopic excision of the urachus was successfully performed. The baby, now 18 months of age, continues to thrive without incident.

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P25.09: First trimester umbilical cord cyst

Ultrasound in Obstetrics and Gynecology ◽

10.1002/uog.5905 ◽

2008 ◽

Vol 32 (3) ◽

pp. 400-400

Author(s):

S. R. Kim ◽

K. D. Ki ◽

S. Y. Tong ◽

J. M. Lee ◽

E. H. Yoo ◽

...

Keyword(s):

Umbilical Cord ◽

First Trimester ◽

Umbilical Cord Cyst

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Large pseudocyst of the umbilical cord associated with patent urachus

Journal of Obstetrics and Gynaecology Research ◽

10.1111/j.1447-0756.2004.00228.x ◽

2004 ◽

Vol 30 (6) ◽

pp. 444-447 ◽

Cited By ~ 16

Author(s):

Esra Bulgan Kilicdag ◽

Hasan Kilicdag ◽

Tayfun Bagis ◽

Ebru Tarim ◽

Filiz Yanik

Keyword(s):

Umbilical Cord ◽

Patent Urachus

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Unusual umbilical cord finding in a neonate

International Journal of Contemporary Pediatrics ◽

10.18203/2349-3291.ijcp20194754 ◽

2019 ◽

Vol 6 (6) ◽

pp. 2685

Author(s):

Antonieo Jude Raja ◽

Sriambika K.

Keyword(s):

Umbilical Cord ◽

Congenital Anomalies ◽

Cystic Lesion ◽

Surgical Intervention ◽

First Trimester ◽

Chromosomal Anomalies ◽

Umbilical Cord Cyst

Umbilical cord cyst refers to any cystic lesion that are associated with the umbilical cord. They are classified as true cysts or pseudocysts. True cysts are small remnants of the allantois, whereas false cysts originate from liquefaction of Wharton Jelly. In present case, cyst was diagnosed at birth without any associated congenital anomalies and resolved spontaneously within a few days requiring nil surgical intervention. Umbilical cord cysts deserve special attention since 20% of them, regardless of type, are associated with structural or chromosomal anomalies. Because of this, fetal karyotyping and amniocentesis should be considered when cysts persist beyond the first trimester.

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