Understand the epidemiology and immunopathogenesis of JDM, including the roles of autoimmunity, vascular injury, and environmental triggers.

Recognize the characteristic cutaneous features such as heliotrope rash, Gottron’s papules, and photosensitivity.

Identify key musculoskeletal manifestations including proximal muscle weakness, myalgia, and functional limitations.

Learn the diagnostic approach, including muscle enzyme evaluation, electromyography, MRI, and muscle biopsy findings.

Interpret the role of myositis-specific and myositis-associated autoantibodies in diagnosis and prognosis.

Discuss current treatment strategies focusing on corticosteroids, immunosuppressants, and biologic therapies for refractory disease.

Appreciate the importance of physiotherapy, sun protection, and multidisciplinary care in long-term management.

Understand potential complications such as calcinosis, lipodystrophy, and interstitial lung disease, emphasizing early detection and intervention.