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Absent ankle jerks and upgoing plantars

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Possible causes include:

  • subacute combined degeneration of the spinal cord
  • motor neurone disease
  • syphilis (taboparesis)
  • combined conus medullaris and cauda equina lesions
  • Friedreich's ataxia
  • combination of common problems e.g. diabetic peripheral neuropathy and cervical spondylosis

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