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Case Reports
. 2010 Aug:116 Suppl 2:559-562.
doi: 10.1097/AOG.0b013e3181e7d280.

Umbilical artery aneurysm

Alexandria J Hill  1 , Thomas H Strong Jr, John P Elliott, Jordan H Perlow
Affiliations
Case Reports

Umbilical artery aneurysm

Alexandria J Hill et al. Obstet Gynecol. 2010 Aug.

Abstract

Background: Umbilical artery aneurysm is a rare condition associated with increased risk for aneuploidy and fetal demise.

Case: We report a case of umbilical artery aneurysm discovered at 27 weeks of gestation in one fetus of a dichorionic, diamniotic twin pregnancy. The patient was hospitalized to monitor for expansion of the aneurysm. Corticosteroids were administered, and, after genetic amniocentesis revealed a normal karyotype, cesarean delivery was performed at 28 2/7 weeks of gestation. Pathologic examination confirmed an umbilical artery aneurysm in the cord of the affected fetus.

Conclusion: Given the high incidence of aneuploidy associated with umbilical artery aneurysm, it is important to consider karyotype analysis of the affected fetus. If a normal karyotype is identified, early delivery may be warranted to decrease the risk of fetal demise.

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