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<p>Dermatomyositis is a rare autoimmune disease characterized by muscle weakness and distinctive skin rashes. Patients typically present with symmetric proximal muscle weakness alongside extramuscular manifestations, including interstitial lung disease and skin infections. While the exact cause remains unknown, researchers believe genetics, infections, and underlying autoimmune processes contribute to its development. The disease likely involves inappropriate complement protein activation targeting the perimysium, which triggers blood vessel inflammation and destruction around muscle fascicles. This process leads to ischemia and infarction of muscle tissue, ultimately causing muscle inflammation and atrophy. This paper analyzes existing data to determine whether early diagnosis and treatment of dermatomyositis reduce musculoskeletal complications. Several factors contribute to diagnostic delays: dermatomyositis occurs less frequently than other myopathies, early symptoms remain non-specific, and accurate diagnosis requires combining clinical, serologic, and muscle biopsy findings. Current evidence demonstrates that early detection and treatment of autoimmune diseases like dermatomyositis result in higher remission rates and reduced disease activity.</p>

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Early detection and intervention in dermatomyositis: current evidence and clinical implications

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年2月10日

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  • Kenneth Treasure,
  • Rehet Chugh,
  • Hana Abbas,
  • Arpita Patel

摘要

Dermatomyositis is a rare autoimmune disease characterized by muscle weakness and distinctive skin rashes. Patients typically present with symmetric proximal muscle weakness alongside extramuscular manifestations, including interstitial lung disease and skin infections. While the exact cause remains unknown, researchers believe genetics, infections, and underlying autoimmune processes contribute to its development. The disease likely involves inappropriate complement protein activation targeting the perimysium, which triggers blood vessel inflammation and destruction around muscle fascicles. This process leads to ischemia and infarction of muscle tissue, ultimately causing muscle inflammation and atrophy. This paper analyzes existing data to determine whether early diagnosis and treatment of dermatomyositis reduce musculoskeletal complications. Several factors contribute to diagnostic delays: dermatomyositis occurs less frequently than other myopathies, early symptoms remain non-specific, and accurate diagnosis requires combining clinical, serologic, and muscle biopsy findings. Current evidence demonstrates that early detection and treatment of autoimmune diseases like dermatomyositis result in higher remission rates and reduced disease activity.