肾结石为一常见病。双肾结石、一侧肾结石合并对侧输尿管结石,而致双肾或双上尿路不同程度梗阻,双肾功能受损,亦较常见。对双肾或双上尿路因结石有梗阻者应积极施行手术,解除梗阻,保护肾功。我院在分期取石治疗这类患者中,有两例在一侧取石术后不久即合并了对侧肾积脓。我们认为,一侧取石术后,梗阻被解除,肾盂内压力降低,肾小管浓缩功能尚未恢复,出现尿量的重新分配而多尿。但对侧 Kidney stones are a common disease. Double kidney stones, kidney stones side of the contralateral ureteral stones, resulting in different degrees of renal or double upper urinary tract obstruction, impaired renal function, but also more common. On the double or upper urinary tract obstruction due to stones should be actively implemented surgery to relieve obstruction and protect renal function. In our hospital in staging stone treatment of these patients, two cases in the side of stone surgery soon after the merger of the contralateral kidney empyema. We believe that one side of the stone surgery, obstruction was lifted, the renal pelvis pressure is reduced, tubular condensation has not yet restored, the emergence of urine re-distribution of polyuria. But opposite