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Dermatomyositis: current controversies 1987.

J P Callen1

  • 1Department of Medicine, University of Louisville School of Medicine, Kentucky.

Advances in Dermatology
|January 1, 1988
PubMed
Summary
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Dermatomyositis and polymyositis are multisystem inflammatory diseases. Research is ongoing to understand their connection to malignancy and optimize treatment strategies for affected patients.

Area of Science:

  • Rheumatology and Immunology
  • Oncology
  • Dermatology

Background:

  • Dermatomyositis (DM) and polymyositis (PM) are multisystem inflammatory myopathies affecting various age groups.
  • The association between DM/PM and malignancy remains a significant, unresolved clinical question.
  • These conditions can involve multiple organ systems, including joints, lungs, heart, and the gastrointestinal tract.

Purpose of the Study:

  • To investigate the differential risk of malignancy in patients with dermatomyositis versus polymyositis.
  • To explore the meaningful relationship between myositis and the development of neoplasms.
  • To outline appropriate evaluation strategies for malignancy in patients diagnosed with myositis.

Main Methods:

  • Review of existing literature and clinical data concerning dermatomyositis, polymyositis, and associated malignancies.

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  • Analysis of diagnostic criteria and clinical manifestations across different organ systems.
  • Evaluation of current and emerging serologic markers for disease pathogenesis and clinical utility.

    • Main Results:

    • The precise link between DM/PM and malignancy requires further clarification, with ongoing debate on differential risks.
    • Myositis involves systemic manifestations beyond muscle inflammation, impacting joints, lungs, heart, and GI system.
    • Newer serologic tests aid in understanding pathogenesis but have limited immediate clinical application.

    Conclusions:

    • Therapeutic approaches for DM can be challenging, with antimalarials offering an option for steroid-resistant cutaneous disease.
    • Established and novel treatment strategies require further validation through prospective studies.
    • Comprehensive evaluation for malignancy is crucial in patients presenting with myositis.