Limited scleroderma, or CREST syndrome, is one subtype of scleroderma — a condition that literally means "hardened skin."
The skin changes associated with limited scleroderma typically occur only in the lower arms and legs, and sometimes the face and throat. Limited scleroderma can also affect your digestive tract and can cause serious heart and lung disorders.
While some varieties of scleroderma occur rapidly, signs and symptoms of limited scleroderma usually develop gradually. They include:
- Tight, hardened skin. In limited scleroderma, skin changes typically affect only the lower arms and legs, including fingers and toes, and sometimes the face and throat. Skin can look shiny from being pulled taut over underlying bone. It may become difficult to bend your fingers or to open your mouth.