What is 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

Focal atrophy of an individual muscle or group of muscles, often encountered clinically, may create diagnostic and therapeutic challenges.

A wide variety of neurologic disorders may present with focal muscular atrophy (FMA). FMA also may be secondary to nonneurologic conditions, leading to disuse of part of a limb.


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