Which spinal root lesions cause focal muscular atrophy (FMA)?

Updated: Feb 20, 2018
  • Author: Sridharan Ramaratnam, MD, MBBS; Chief Editor: Helmi L Lutsep, MD  more...
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Answer

Spinal root lesions

  • Intervertebral disk prolapse

  • Root avulsion

  • Tumors - Meningioma, schwannoma

  • Spinal dysraphisms with myelomeningocele, low tethering of the cord, mesenchymal rests, or lipomas

  • Radiation radiculopathy

  • Ankylosing spondylitis

  • Diabetes mellitus


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