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A 64-year-old man with common variable immunodeficiency developed a persistent papulonodular ulcerative eruption on the right leg. Histopathological examination disclosed a chronic inflammatory infiltrate with central necrosis and palisading granuloma. Repeated microbiological (bacteriological, mycological and mycobacteriological) studies failed to isolate any microorganism. After treatment with intravenous immunoglobulins, a progressive resolution of the skin lesions was observed with a complete clearing after 10 months. Clinicopathological features and therapeutic approaches of sterile granulomatous lesions associated with primary immunodeficiencies are reviewed.
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Pujol et al. (1999) studied this question.
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