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Sacral agenesis (postmortem dissection)

Postmortem dissection of vertebral column of a 38-week infant of a diabetic mother showing dysplasia and hypoplasia of lumbar and sacral vertebral bodies and displacement of the sacrum rostrally and behind the lumbar spine. (A) Posterior view of lower half of vertebral column; (B) left lateral view of lumbosacral spine; (C) postmortem roentgenogram of lumbosacral spine in left lateral view corresponding to (B). (Contributed by Dr. Harvey B Sarnat.)

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Associated Disorders

  • Anorectal malformations
  • Anterior meningocele
  • Hirschsprung disease
  • Maternal diabetes mellitus
  • Meningomyelocele
  • Recto-meningeal fistula
  • Sacral teratoma