Korean J Perinatol.  2006 Mar;17(1):94-98.

A Case of Sirenomelia without Oligohydramnios Diagnosed in Early Second Trimester

Affiliations
  • 1Department of Obstetrics and Gynecology, Ilsin Christian Hospital, Busan, Korea. banana3592@hanmail.net

Abstract

Sirenomelia is rare congenital malformation characterized by fusion of the lower extrimities associated anomalies included absence of urogenital system (bilateral renal agenesis, absent ureter, urinary bladder, absent internal and external genitalia), induced severe oligohydramnios, anorectal atresia, single umbilical artery, pulmonary hypoplasia. The incidence is 1:60000 births. Survival is extremely rare, and only possible, in the absence of bilateral renal agenesis. In view of the dismal prognosis, early diagnosis allows for earlier and less traumatic therapeutic abortion. We report a case of sirenomelia without oligohydramnios diagnosed in early second trimester.

Keyword

Sirenomelia; Oligohydramnios; Renal agenesis

MeSH Terms

Abortion, Therapeutic
Early Diagnosis
Ectromelia*
Female
Humans
Incidence
Oligohydramnios*
Parturition
Pregnancy
Pregnancy Trimester, Second*
Prognosis
Single Umbilical Artery
Ureter
Urinary Bladder
Urogenital System
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