Source:http://linkedlifedata.com/resource/umls/id/C0008058
MSH: Recurrent localized itching, swelling and painful erythema on the fingers, toes or ears, produced by exposure to cold. It is also called pernio.,NCI: A rare condition characterized by skin inflammation, blister formation, swelling and ulcerations in the extremities. It occurs in persons exposed to cold temperatures.