Trabecular fiber myopathy


Type of disease: Rare conditions

Trabecular myopathy is a term that has been used to describe a disorder with symptoms resembling limb-girdle muscular dystrophy, in which the main feature on muscle biopsy is an abundance of trabecular muscle fibers. Signs and symptoms reported include slowly progressive muscle weakness of the upper arms and upper legs; and possible weakness of neck, respiratory, or bulbar muscles (those used for speech and swallowing). The condition typically begins in adulthood and occurs in both males and females. Most affected people do not have a family history suggestive of muscle disease. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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