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Association of renal xanthogranuloma and urological neoplasia
J J Ballesteros1, A Munne, T Rivalta
1Servicio de Urologia y Unidad Quirurgica de Transplante Renal, Hospital Ntra Sra de la Esperanza, Barcelona, España.
Abstract:
Seven of 66 cases of renal xanthogranuloma (RXG) were associated with urinary tumors (10.6%). The diagnostic and surgical problems can be difficult because of the similarities to a neoplasm and because of the inflammatory nature of RXG. Obstruction and infection seemed to be causative factors in 5 of the 7 cases. It was not possible to demonstrate an immunological deficit in these patients. A review of the literature shows the rarity of this association: 20 cases together with our 7 cases gives a total of 27 out of the 676 cases of RXG that have been published (an incidence of 4%).