Sclerodactyly refers to fibrotic tightening and thickening of the skin, with atrophy of the soft tissues, of fingers and toes.
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Pathology
Etiology
- scleroderma: seen in ~25%
- CREST syndrome: seen in ~5%
- mixed connective tissue disease
History and etymology
Sclerodactyly is derived from the Greek skleros (hard) and dactyly (digit).
Differential diagnosis
- nephrogenic fibrosing dermopathy
- scleredema adultorum of Buschke (scleredema diabeticorum)
- scleromyxedema
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