Canadian Medical Guide > Diseases > Musculoskeletal Diseases > Muscular Diseases > Myositis > Myositis, Inclusion Body Terms and Definitions

Myositis, Inclusion Body

Medical Definition:	Progressive myopathies characterized by the presence of inclusion bodies on muscle biopsy. Sporadic and hereditary forms have been described. The sporadic form is an acquired, adult-onset inflammatory vacuolar myopathy affecting proximal and distal muscles. Familial forms usually begin in childhood and lack inflammatory changes. Both forms feature intracytoplasmic and intranuclear inclusions in muscle tissue. (Adams et al., Principles of Neurology, 6th ed, pp1409-10)
Guide Notes:	do not coord with INCLUSION BODIES but coord with INCLUSION BODIES, VIRAL if relevant (IM or NIM)
Also Called:	Inclusion Body Myopathy, Sporadic
Previously Indexed:	Myositis (1968-1995)

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