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Scleroderma
A chronic autoimmune phenomenon characterized by fibrosis (or hardening) and vascular alterations of the skin. [from HPO]
Proximal scleroderma
Symmetrical thickening, tightening and induration of the skin of the fingers and the skin proximal to the metacarpophalangeal or metatarsophalangeal joints. These changes can involve the entire limb, face, neck and trunk. [from HPO]
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