Which infectious anterior horn cell diseases 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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FMA can arise from several anomalies that affect the LMN.

  • Diseases involving the anterior horn cells

    • Infections

      • Poliomyelitis

      • Poliolike viruses (eg, neuronopathy following acute hemorrhagic conjunctivitis caused by EV70 virus)

      • PPMA

      • Retroviral infections such as HIV or human T-cell lymphotrophic virus (HTLV) [13]

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