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Definition of Erythema nodosum leprosum
1. Noun. An inflammatory complication of leprosy that results in painful skin lesions on the arms and legs and face.
Medical Definition of Erythema nodosum leprosum
1. An acute type of lepromatous reaction with generalised systemic involvement and tender deep cutaneous and subcutaneous nodules of the face, thighs, and arms; usually seen in undiagnosed, untreated, or neglected cases of leprosy. (05 Mar 2000)