Inclusion body myositis (IBM): clinical features

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Inclusion body myositis (IBM): clinical features. IBM is a late-onset inflammatory myopathy. Fully referenced neurology checklist.

Background

  • IBM is a late-onset inflammatory myopathy
  • It is typically acquired
  • It may however be hereditary
  • It has both inflammatory and degenerative components 

Demographic features

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Classical weakness pattern

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Other weakness features

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Other features

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Associated disorders

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References

  1. Amato AA, Russell JA. Neuromuscular Disorders. McGraw Hill New York 2008 pp681-719.
  2. Solorzano GE, Phillips LH. Inclusion body myositis: diagnosis, pathogenesis, and treatment options. Rheum Dis Clin N Am 2011; 37:173-183.
  3. Dalakas MC. Sporadic inclusion body myositis-diagnosis, pathogenesis and therapeutic strategies. Nature Clin Pract Neurol 2006; 2:437-447.
  4. Dabby R, Lange DJ, Trojaborg W, et al. Inclusion body myositis mimicking motor neuron disease. Arch Neurol 2001; 58:1253-1256.
  5. Damian L, Login CC, Solomon C, et al. Inclusion body myositis and neoplasia: a narrative review. Int J Mol Sci 2022; 23:7358.
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