CREST is an acronym describing the most prominent features of a type of scleroderma that is more limited than systemic sclerosis. CREST stands for:

• Calcinosis: deposits of calcium under the skin
• Raynauds
• Esophageal dismotility: slowing of the movement in the muscles of the esophagus, causing heartburn
• Sclerodactyly: abnormal shortening and thinning of the tips of fingers
• Telangectasias: red collections of spidery, small blood vessels