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Acrocyanosis

What Is Acrocyanosis?

Acrocyanosis is blueness of the extremities (the hands and feet). Acrocyanosis is typically symmetrical. It is marked by a mottled blue or red discoloration of the skin on the fingers and wrists and the toes and ankles. Profuse sweating and coldness of the fingers and toes may also occur.

Acrocyanosis is caused by narrowing (constriction) of small arterioles (tiny arteries) toward the end of the arms and legs.

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Actinic keratoses commonly appear in areas of chronic sun exposure, such as the face and dorsa of the hands. Actinic cheilitis is a related condition that usually appears on the lower lips.[1] These conditions represent early epithelial transformation that may eventually evolve into invasive SCC. Actinic keratosis is a noninvasive lesion. The progression rate is extremely low. In a prospective study, the progression rate to SCC was less than 1 in 1,000 per year, calling into question the cost effectiveness...

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WebMD Medical Reference

Reviewed by Norman Levine, MD on October 17, 2012

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