Epistemis

Idiopathic Inflammatory Myopathies · Internal Medicine

Internal Medicine · Clinical Specialties

How it begins

Heterogeneous group of systemic autoimmune diseases that predominantly affect skeletal muscle. Comprehensive analysis of the contemporary classification, pathophysiology, autoantibody profile, clinical manifestations, EULAR/ACR 2017 diagnostic criteria and evidence-based therapeutic strategy.

What it covers

  1. · Idiopathic Inflammatory Myopathies
  2. Definition, Classification and Nomenclature
  3. Epidemiology
  4. Molecular and Immunological Physiopathology
  5. · 3.1 Polymyositis — Targeted CD8+ T Cytotoxicity
  6. · 3.2 Dermatomyositis — Complement-Mediated Vasculopathy
  7. · 3.3 Inclusion Body Myositis (IBM) — The Enigma of Inflammation and Degeneration
  8. · 3.4 Autoimmune Necrotizing Myopathy (IMNM) — Direct Pathogenic Antibodies
  9. Autoantibody Profile — Serological Classification System
  10. · 4.1 Myositis Specific Antibodies (MSA)
  11. · 4.2 Myositis Associated Antibodies (MAA)
  12. Clinical Manifestations
  13. · 5.1 Muscle Commitment
  14. · 5.2 Cutaneous Manifestations — Exclusive to Dermatomyositis
  15. · 5.3 Interstitial Lung Disease (ILD) — The Deadliest Complication
  16. · 5.4 Cardiac Compromise
  17. · 5.5 Joint Commitment and Other Manifestations
  18. · 5.6 Antisynthetase Syndrome (SAS) — Complete Clinical Phenotype
  19. Diagnosis — EULAR/ACR 2017 Criteria and Comprehensive Evaluation
  20. · 6.1 Laboratory Evaluation
  21. · 6.2 Imaging and Electromyography
  22. · 6.3 Muscle Biopsy — The Diagnostic Standard
  23. Therapeutic Strategy
  24. · 7.1 Corticosteroids — Universal First Line (except IBM)
  25. · 7.2 Steroid Sparing (Background Immunosuppressants)
  26. · 7.3 Biological Therapies and Small Molecules
  27. · 7.4 IBM Treatment — The Great Challenge
  28. Association with Neoplasias — Oncological Screening
  29. · 8.1 Antibody Risk
  30. Differential Diagnosis
  31. Forecasting, Follow-up and Monitoring
  32. · 10.1 Prognostic Factors
  33. · 10.2 Monitoring Plan

The complete study guide is in the app

This page summarizes the outline. The full interactive study guide —with high-yield diagrams, clinical tables, and board review cases— can be read inside Epistemis, completely offline and ad-free.

Subject
Internal Medicine
Category
Clinical Specialties
Type
Study Guide
Sections
33
Reviewed
2026-08-02
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