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December 19, 2005Age and Ageing

Inclusion body myositis: an underdiagnosed myopathy of older people

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Authors

SMSunil MunshiBTBhomraj ThanviSJS. J. Jonnalagadda

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Overview

Case report and literature review demonstrates frequent misdiagnosis of inclusion body myositis in older adults, highlighting the danger of inappropriate steroid therapy.

Key Points

  • To review the clinical characteristics, diagnostic criteria, and causes of frequent misdiagnosis of inclusion body myositis in older individuals.
  • Synthesized findings from a clinical case report and a review of published medical literature.
  • Evaluated diagnostic criteria, histopathological features of muscle biopsy samples, and clinical differentiation from polymyositis.
  • Inclusion body myositis is the most prevalent myopathy in patients over 50 years of age, predominantly affecting older Caucasian males.
  • Cases are frequently misdiagnosed as polymyositis and subjected to ineffective, unnecessary corticosteroid regimens.
  • Diagnostic delays stem from insidious disease progression, lack of physician suspicion, and reliance on histologic confirmation without applying 'possible IBM' criteria.

Cite This Study

Munshi et al. (2005) studied this question.

synapsesocial.com/papers/69d9a50fed2e131d3c684263https://doi.org/10.1093/ageing/afj014
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Inclusion Body Myositis2024 · 5 citations
  2. 2Inclusion Body Myositis2025
  3. 3Two emerging phenotypes of atypical inclusion body myositis: illustrative cases2023 · 10 citations
  4. 4Sporadic inclusion body myositis: overreliance on histology may lead to misdiagnosis2026
  5. 5Inclusion body myositis: new insights into pathogenesis and therapeutic perspectives2026