Abstract
Objectives To investigate the application of 3D renal blood flow in laparoscopic nephron sparing surgery(LNSS) for endogenetic kidney cancer by CT imaging. Methods All patients underwent CT renal blood flow reconstruction by " fast" manifestation of preoperative renal tumor blood flow in CT enhancement. All cases underwent LNSS by rotating the inmage and targeting the tumor. Results 4 patients were successfully completed LNSS, the tumor diameter was (2.2 + 0.5)cm. Intraoperative ischemia time was 17~27min( the mean time of 21.7min), amount of bleeding(20~55mL, an average of 32mL). The pathological change was clear cell carcinoma. The blood creatinine, blood urea nitrogen and alkaline phosphatase were not significantly differences during 7~60 months follow-up, and the renal function was not significantly decreased, and there was no tumor recurrence in CT. Conclusions 3D renal blood flow can realizes the fine accurate localization for the T1a phase endogenetic kidney cancer, and it is safe, simple and effective, and worth popularizing application in clinic. Key words: Kidney Neoplasms; Nephrons; Tomography, X-Ray Computed
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