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Scleroderma
The skin on the fingers is tight and contracted, with digital fingertip crusting indicating prior calcification and ulceration. Mat telangiectasias are scattered on the palms.
Digital ulceration of the fingertips is a painful consequence of the vascular insult of scleroderma.
Mat-like telangiectasias are part of the CREST syndrome. Other findings are Raynaud disease, esophageal dysmotility, sclerodactyly and calcification.
Oral contracture and narrowing of the mouth orifice are seen in scleroderma, along with mat-like telangiectasias.