What are the etiologic factors of focal muscular atrophy (FMA)?

Updated: Feb 20, 2018
  • Author: Sridharan Ramaratnam, MD, MBBS; Chief Editor: Helmi L Lutsep, MD  more...
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Etiologic factors include the following:

  • Infection

  • Trauma

  • Inflammation

  • Spinal cord disorders

  • Vasculitis

  • Entrapment

  • Altered immune mechanisms

  • Toxins

  • Physical agents, such as electrical or radiation injury

  • Genetic and enzyme defects

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