Erythema nodosum leprosum.
D004893:Erythema Nodosum / Q000473:pathology*; D006644:Histiocytes / Q000473:pathology; D006801:Humans; D007918:Leprosy / Q000473:pathology*; D008214:Lymphocytes / Q000473:pathology; D009504:Neutrophils / Q000473:pathology; D012867:Skin / Q000473:pathology