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OEIS complex: prenatal ultrasound and autopsy findings
Author(s) -
BenNeriah Z.,
Withers S.,
Thomas M.,
Toi A.,
Chong K.,
Pai A.,
Velscher L.,
Vero S.,
Keating S.,
Taylor G.,
Chitayat D.
Publication year - 2007
Publication title -
ultrasound in obstetrics and gynecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.202
H-Index - 141
eISSN - 1469-0705
pISSN - 0960-7692
DOI - 10.1002/uog.3874
Subject(s) - omphalocele , medicine , prenatal diagnosis , obstetrics , spina bifida , autopsy , bladder exstrophy , fetus , anencephaly , ultrasound , pregnancy , neural tube defect , trigone of urinary bladder , surgery , radiology , urinary bladder , pathology , genetics , biology
Abstract Objective To describe prenatal ultrasound and autopsy findings in fetuses with OEIS (omphalocele, bladder exstrophy, imperforate anus, spina bifida) complex. Methods This was a retrospective study of the nine cases with OEIS complex diagnosed at our center using detailed fetal ultrasound during the last 10 years. We summarized the fetal ultrasound findings that led to the diagnosis and compared them with the autopsy results. Results All affected fetuses were diagnosed using detailed fetal ultrasound after 16 weeks' gestation. The main prenatal findings were omphalocele, skin‐covered lumbosacral neural tube defect, non‐visualized bladder and limb defects. Prenatal sonography failed to detect the abnormal genitalia, bladder exstrophy and anal atresia. All cases had abnormalities in a ‘diaper distribution’, which helped in making the prenatal diagnosis. Eight of the nine couples chose to terminate the pregnancies following multidisciplinary counseling. The pregnancy that was continued was a case with dizygotic twins discordant for OEIS, and the affected fetus died in utero. Conclusions The combination of the following ultrasound findings: ventral wall defect, spinal defect and a non‐visualized bladder with or without limb defects, are characteristic of OEIS complex. Diagnosis can be made with confidence as early as 16 weeks' gestation, although earlier diagnosis may be possible. Copyright © 2007 ISUOG. Published by John Wiley & Sons, Ltd.