Necrobiotic xanthogranuloma

Necrobiotic xanthogranuloma is a rare, chronic and progressive, non-Langerhans cell histiocytosis disease typically characterized by multiple, indurated, asymptomatic to pruritic, yellow-orange plaques or nodules that tend to ulcerate and are usually located in the periorbital area, trunk and/or extremities. Strong association with paraproteinemia and/or malignant lymphoproliferative disease has been reported.