Purpose: We evaluated the results of nephrone sparing surgery (NSS) operations performed in our department years between 2003-2008 in this study.
Material and Methods: Thirty patients, treated by NSS with renal tumors evaluated. Mean age of the patients was 46.72 (21-68) years. There were 23 male and 7 female patients. Pre-operative tumor diameters were ranging between 1.5 cm to 6 cm.
Results: After final pathological examination 20 (66.7%) renal cell cancer (RCC), 9 (30.0%) benign pathology and 1 (3.3%) metastatic adenocarsinoma was demonstrated. Mean tumor diameter was 3.80 cm (3.5-6.5) in RCC cases. The pathological stage distribution of RCC cases were 12 T1a (60%), 7 T1b (35%) and 1 T3a (5%). The pathological diagnosis of benign lesions was 3 angiomyolipoma, 3 oncocytoma, 1 hemorrhagic cyst, 1 calcified cyst and 1 osseous metaplasia. The mean tumor diameter of benign lesion was 3.19 cm (2-5.5). Mean follow-up period of RCC cases was 26.8 (1-62) months. During the follow-up period there were no systemic or local recurrences among the RCC cases.
Conclusion: Our study demonstrated that NSS has similar oncological results as radical nephrectomy with low mortality and morbidity. NSS should be the first choice in kidney tumors less than 4 cm diameter because of effective local control of disease, preservation of renal function and definitive diagnosis of benign and malignant tumors.