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Calcinosis: pathophysiology and management.

AbstractPURPOSE OF REVIEW:
This article reviews the most updated literature regarding the epidemiology, pathophysiology, diagnosis, and treatment of calcinosis cutis in patients with systemic sclerosis (SSc).
RECENT FINDINGS:
Our review identified observational studies that describe the frequency of calcinosis in SSc and associated clinical features, genetic studies in animal models of heritable disorders leading to calcium deposition, and case series and case reports describing new diagnostic approaches and therapeutic interventions.
SUMMARY:
Calcinosis cutis is the deposition of calcium in the skin and subcutaneous tissues. It affects almost one quarter of patients with SSc, and is associated with longer disease duration, digital ulcers, acroosteolysis, positive anticentromere antibody, and positive anti-PM/Scl antibody. Local trauma, chronic inflammation, and vascular hypoxia have been proposed as potential pathomechanisms. The development of mouse models that mimic heritable ectopic mineralization disorders are contributing to the understanding of the process of calcification. Diagnosis can be made clinically or with plain radiography. Experimental diagnostic studies include ultrasonography, multidetector computed tomography, and dual-energy computed tomography. Several pharmacologic therapies have been tried for calcinosis with variable results, but surgical excision of calcium deposits remains the mainstay of treatment.
AuthorsAntonia Valenzuela, Lorinda Chung
JournalCurrent opinion in rheumatology (Curr Opin Rheumatol) Vol. 27 Issue 6 Pg. 542-8 (Nov 2015) ISSN: 1531-6963 [Electronic] United States
PMID26352733 (Publication Type: Journal Article, Review)
Topics
  • Animals
  • Calcinosis (diagnosis, epidemiology, physiopathology, therapy)
  • Disease Models, Animal
  • Humans
  • Scleroderma, Systemic (complications)
  • Skin
  • Subcutaneous Tissue (pathology)

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