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Related Experiment Video

Updated: Jul 6, 2026

Behavioral and Locomotor Measurements Using an Open Field Activity Monitoring System for Skeletal Muscle Diseases
06:52

Behavioral and Locomotor Measurements Using an Open Field Activity Monitoring System for Skeletal Muscle Diseases

Published on: September 29, 2014

Inflammatory myopathies: evaluation and management.

Steven A Greenberg1

  • 1Department of Neurology, Brigham and Women's Hospital, Department of Neurology, Division of Neuromuscular Disease, Brigham and Women'sHospital, and Harvard Medical School, Boston, MA 02115, USA. sagreenberg@partners.org

Seminars in Neurology
|March 21, 2008
PubMed
Summary
This summary is machine-generated.

Inflammatory myopathies like dermatomyositis and polymyositis are autoimmune muscle diseases with distinct symptoms and pathology. Treatment involves corticosteroids, but risks like osteoporosis and infection require careful management.

Related Experiment Videos

Last Updated: Jul 6, 2026

Behavioral and Locomotor Measurements Using an Open Field Activity Monitoring System for Skeletal Muscle Diseases
06:52

Behavioral and Locomotor Measurements Using an Open Field Activity Monitoring System for Skeletal Muscle Diseases

Published on: September 29, 2014

Area of Science:

  • Neurology
  • Immunology
  • Rheumatology

Background:

  • Inflammatory myopathies are autoimmune disorders affecting skeletal muscle.
  • Key types include dermatomyositis, inclusion body myositis, and polymyositis.
  • These conditions present with varying patterns of muscle weakness and potential extra-muscular involvement.

Purpose of the Study:

  • To review the clinical manifestations, pathology, and treatment of inflammatory myopathies.
  • To differentiate the distinct features of dermatomyositis, inclusion body myositis, and polymyositis.
  • To highlight treatment challenges and associated risks.

Main Methods:

  • Literature review of inflammatory myopathies.
  • Analysis of clinical presentations and diagnostic features.
  • Summary of histopathological findings.
  • Overview of current therapeutic strategies and their complications.

Main Results:

  • Dermatomyositis affects skin and muscle, presenting with weakness or rash; its pathology involves perivascular inflammation and capillary abnormalities.
  • Inclusion body myositis shows specific weakness patterns (wrist/finger flexors, quadriceps) and is often corticosteroid-refractory.
  • Polymyositis typically presents with proximal weakness, and both it and inclusion body myositis feature significant inflammatory cell infiltration of muscle fibers.
  • Treatment with corticosteroids and other agents for dermatomyositis and polymyositis carries risks of osteoporosis and opportunistic infections.

Conclusions:

  • Inflammatory myopathies encompass distinct autoimmune muscle diseases with unique clinical and pathological profiles.
  • Accurate diagnosis is crucial for appropriate management, considering differing treatment responses and prognoses.
  • Therapeutic approaches require careful monitoring due to potential severe side effects.