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Sclerodactyly vs. Scleroderma

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Apologizing in advance if this is a dumb question, but can anyone tell me what the difference between the two is? Or is one just a form of another? I thought scleroderma was skin tightening and sclerdactyly was skin thickening. Can you have one without the other? B)


Thanks in advance.


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Sclerodactyly is one symptom of scleroderma. The word comes from the Greek and means hardening of digits (fingers or toes). It is the "S" part of CREST:


Systemic scleroderma often affects the hands. The initial stage is swelling (edema), which can last for weeks, months, or years. Often the swelling is intermittent and worse in the morning. It can cause the fingers to look like sausages, with far fewer wrinkles. Skin tightness in the hands can make it impossible to pinch the skin on the fingers.In some people, the fingers eventually begin to harden from fibrosis, and curl inward. They may then become frozen in this clawed position, which is referred to as "sclerodactyly."

Warm wishes,



Carrie Maddoux

(Retired)ISN Sclero Forums Support Specialist

(Retired)ISN Sclero Forums UK Chat Host

International Scleroderma Network (ISN)

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