What is an omphalocele-exstrophy-imperforate anus-spinal defects (OEIS) complex in abdominal hernias?

Updated: Jul 23, 2019
  • Author: Assar A Rather, MBBS, MD, FACS; Chief Editor: John Geibel, MD, DSc, MSc, AGAF  more...
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Answer

An omphalocele-exstrophy-imperforate anus-spinal defects (OEIS) complex is characterized by a combination of omphalocele, exstrophy of the bladder, an imperforate anus, and spinal defects. [16] More than 50% of infants with omphaloceles have associated neurologic, urinary tract, cardiac, and skeletal anomalies. The liver is present in the omphalocele sac in 35% of patients. In small omphaloceles, there is a high coincidence of Meckel diverticulum.


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