ACROCYANOSIS

uneven reddish-blue discoloration of the hands caused by spasms in arterioles (small arteries) of the skin. Less commonly the feet are affected. The fingers, or toes, are usually cold and sweat copiously. The condition may be the result of an endocrine disorder or of some anxiety state. It is most common in adolescents and those in the 20s and usually improves with age.