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Related Experiment Video

Updated: Jun 17, 2025

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Calcinosis in dermatomyositis.

Srijana Davuluri1, Lorinda Chung2, Christian Lood3

  • 1Stanford School of Medicine Division of Rheumatology.

Current Opinion in Rheumatology
|August 9, 2024
PubMed
Summary
This summary is machine-generated.

Calcinosis in dermatomyositis involves calcium deposits causing morbidity. Early disease control and understanding new pathways like neutrophil activation are key for managing this condition, especially in juvenile cases.

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Area of Science:

  • Rheumatology
  • Dermatology
  • Immunology

Background:

  • Calcinosis, characterized by insoluble calcium compound deposition, affects up to 75% of juvenile dermatomyositis and 20% of adult dermatomyositis patients.
  • This condition significantly contributes to patient morbidity, yet its complete pathogenesis remains incompletely understood.

Purpose of the Study:

  • To review the latest literature on the pathogenesis and treatment of calcinosis in dermatomyositis.
  • To highlight recent advancements in understanding the mechanisms driving calcinosis development.

Main Methods:

  • Literature review of recent studies on dermatomyositis-associated calcinosis.
  • Analysis of observational cohort studies and case series focusing on pathogenesis and treatment.

Main Results:

  • Prolonged inflammation and vascular dysfunction are linked to calcinosis.
  • Emerging evidence suggests neutrophil activation and mitochondrial dysfunction as potential pathogenic pathways.
  • Early diagnosis and disease activity control are crucial for preventing calcinosis in juvenile dermatomyositis.

Conclusions:

  • Calcinosis is a common and debilitating complication of dermatomyositis.
  • While surgical excision is a palliative mainstay, evidence for other treatments is limited.
  • Further research is needed to fully elucidate pathogenesis and develop effective therapies, with topical sodium thiosulfate and JAK inhibitors showing promise.