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[Percutaneous nephrostomy and temporary immunosuppression in treatment of idiopathic retroperitoneal fibrosis (Ormond disease)].

Our experiences in the diagnostics, treatment and follow-up-course of 10 patients suffering from idiopathic retroperitoneal fibrosis are reported. The ureterolysis and temporary nephrostomy, initially as percutaneous nephrostomy, and a long-term immunosuppressive therapy is the treatment of choice. In the follow-up control ultrasonography and computerized tomography are valuable and the prognosis of the disease quoad functionem is good.