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Pernio Synonyms Dermatitis congelationis Chilblains Chilblain lupus Perniosis Erythema pernio Presentation stereotypical Age and sex Young persons usually with no predilection for either sex Distribution of lesions Fingers, toes, nose, and ears Individual lesions Papules, vesicles, and ulcerations Course Usually short-lived, resolving when acra are spared the effects of cold and dampness Variations clinical “Rower’s […]