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Sep 2012

Perniosis Induced by a Cold-Therapy System

Author Affiliations

Author Affiliations: Department of Dermatology, University of Cincinnati, Cincinnati, Ohio (Drs King, Plotner, and Adams); Section of Dermatology, Veterans Affairs Medical Center, Cincinnati (Dr Adams).

Arch Dermatol. 2012;148(9):1101-1102. doi:10.1001/archdermatol.2012.1429

Perniosis is characterized by erythematous and violaceous smooth papules, plaques, and nodules, which are usually symmetrically distributed on the distal aspects of the fingers and toes and less commonly on the heels, nose, and ears. These lesions likely result from persistent or prolonged cold-induced vasoconstriction causing hypoxemia along with a subsequent inflammatory response.1

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