Xanthogranulomatous Pyelonephritis: A Report of 16 Cases

Objective To explore the preoperative diagnosis and treatment of xanthogranulomatous pyelonephritis(XGP). Methods The clinical data of 16 patients with XGP from 1978 to 2003 were retrospectively reviewed, and its clinic symtoms, diagnosis and therapy were discussed in combination with literature review. Results 16 cases of patients with XGP confirmed by histopathological examination recovered well after operation, and did not relapse till now. Conclusion According to medical history, symptom, physical sign, the foam cells in urine and CT examination, XGP could be diagnosed. Sometimes, fine needle aspiration biopsy should be done in order to confirm the diagnosis of XGP. The operation was a major method for treating this disease.