Page 57 - SONO 260 The Fetal Head and Brain
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  ARNOLD-CHIARI II MALFORMATION AND SPINA BIFIDA
 ¢Arnold-Chiari II or Chiari II malformation is a group of cranial abnormalities associated with the neural tube defect spina bifida.
— Spina bifida may result in a mass that protrudes from the spine.
— This mass can be referred to as a meningocele or myelomeningocele,
depending on its contents.
— The most common location of spina bifida is within the distal lumbosacral region.
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