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Nervous System Diseases > Nervous System Malformations > Neural Tube Defects > Spinal Dysraphism > Spina Bifida Occulta
... > Congenital, Hereditary, and Neonatal Diseases and Abnormalities > Congenital Abnormalities > Nervous System Malformations > Neural Tube Defects > Spinal Dysraphism > Spina Bifida Occulta

Preferred term

Spina Bifida Occulta  

Type

  • Topical Descriptor

Broader concept

Entry terms

  • Closed Spinal Bifida
  • Occult Spina Bifida
  • Spina Bifida, Occult
  • Spinal Bifida, Closed

Scope note

  • A common congenital midline defect of fusion of the vertebral arch without protrusion of the spinal cord or meninges. The lesion is also covered by skin. L5 and S1 are the most common vertebrae involved. The condition may be associated with an overlying area of hyperpigmented skin, a dermal sinus, or an abnormal patch of hair. The majority of individuals with this malformation are asymptomatic although there is an increased incidence of tethered cord syndrome and lumbar SPONDYLOSIS. (From Joynt, Clinical Neurology, 1992, Ch55, p34)

History note

  • 1991; was SPINA BIFIDA 1978-1990; for DERMAL SINUS use NEURAL TUBE DEFECTS 1979-1990

In other languages

URI

http://www.yso.fi/onto/mesh/D016136

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