Erythrocyanosis crurum
Encyclopedia
Erythrocyanosis crurum is a skin condition, a variant of acrocyanosis
Acrocyanosis
Acrocyanosis is persistent blue or cyanotic discoloration of the extremities, most commonly occurring in the hands, although it also occurs in the feet and distal parts of face....

caused by chronic exposure to cold.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK