Erythema Elevatum Diutinum
Type of disease: Rare conditions
Erythema elevatum diutinum is a rare type of chronic cutaneous vasculitis characterized by red, purple, brown or yellow papules, plaques (thick, red patches of skin), or nodules.These lesions are located mainly on the knees, elbows, hands, feet, face, genitals and buttocks. Although it is a chronic condition, most cases respond well to treatment with dapsone. The cause of this condition remains unknown. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.