Dystrophic calcifications and Raynaud's phenomenon in an eight-year old girl.

Introduction: Dystrophic calcifications are the most common subtype of skin calcinosis. Tumorous soft tissue calcium deposits usually contain hydroxyapatite and amorphous calcium phosphate. Differential diagnosis of skin calcinosis encompasses Thibierge-Weissenbach syndrome, systemic sclerosis, scleroderma, CREST syndrome (calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly and telangiectasia), dermatomyositis, systemic lupus erythematosus, ad myositis ossificans progressiva.