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目的：探讨保存肾单位的肾癌切除术适应证，观察其治疗效果。方法：对1990～1998年施行的保存肾单位的肾癌切除术17例患者进行回顾性分析，其中11例作肾肿瘤切除术，6例作肾上极或下极切除术。结果：术后随访1～6．5年，除1例术后5年死于肿瘤转移外，其余均正常，预后满意。结论：对双侧同时发生无症状性肾癌、孤立肾伴肾癌或需靠双侧肾维持功能的肾癌，可考虑行保存肾单位的肾癌切除术；保存肾单位的肾癌切除术效果满意。
Objective: To investigate the indications of nephronectomy for nephron preservation and to observe its therapeutic effect. Methods: A retrospective analysis was performed on 17 cases of renal cell carcinoma with preserved nephrons from 1990 to 1998. Among them, 11 cases were treated with nephrectomy and 6 cases were treated with upper pole or lower pole resection. Results: All cases were followed up for 1 to 6.5 years. Except one case died of tumor metastasis 5 years after operation, the rest were normal and the prognosis was satisfactory. CONCLUSIONS: Kidney cancer resections with nephron preservation can be considered for both simultaneous renal asymptomatic renal cancer, isolated kidney associated renal cell carcinoma, or renal cell carcinoma requiring bilateral renal maintenance. Nephron excision for nephron preservation Satisfactory results.