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  • Title: Calcinosis cutis universalis in a patient with systemic lupus erythematosus.
    Author: Tristano AG, Villarroel JL, Rodríguez MA, Millan A.
    Journal: Clin Rheumatol; 2006 Feb; 25(1):70-4. PubMed ID: 15902514.
    Abstract:
    Deposition of calcium salts in the skin and subcutaneous tissue occurs in a variety of rheumatic diseases, being most commonly associated with scleroderma, CREST (calcinosis, Raynaud's phenomenon, esophageal dysfunction, sclerodactyly, and telangiectasia), dermatomyositis, and overlap syndromes but is a rare complication of systemic lupus erythematosus (SLE). Calcinosis is classified into four subsets: dystrophic, metastatic, idiopathic, or calciphylaxis/iatrogenic. The pathophysiology of calcinosis cutis remains unclear. Our patient developed extensive areas of calcifications in the trunk and extremities (calcinosis universalis) 8 years after SLE diagnosis, which would correspond to a form of dystrophic calcification. No response was observed after treatment with oral diltiazem for 3 months. We review the literature on the pathogenesis and prevalence of calcinosis universalis in SLE.
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