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目的通过比较肾癌最大直径的B超、CT测量值与病理测量值间的统计学差异,探讨此差异对保留肾单位手术的影响。方法自2008年10月至2011年5月348例肾癌患者中符合入选标准者324例,回顾性分析肾癌最大直径的B超、CT测量值及病理实测值,对资料进行正态分布检验、方差齐性检验、t检验、线性相关分析。结果 B超及CT测量的肾癌最大直径值与病理实测值间的差异无统计学意义(P>0.05)。结论肾癌最大直径的B超及CT测量值与病理实测值间不存在统计学差异,以B超或者CT测量值作为保留肾单位应用指征标准的安全性良好。
OBJECTIVE: To compare the statistical differences between B-scan, CT scan and pathological measurement of maximal diameter of renal cell carcinoma (RCC) to explore the effect of this difference on nephron-preserving surgery. Methods From October 2008 to May 2011, 348 patients with renal cell carcinoma who met the inclusion criteria were enrolled in this study. The B-ultrasound and CT measurements of the largest diameter of renal cell carcinoma and the pathological results were retrospectively analyzed. The data were normal distribution , Homogeneity of variance test, t test, linear correlation analysis. Results There was no significant difference between the maximum diameter of renal cell carcinoma detected by B-mode ultrasonography and CT and the pathological data (P> 0.05). Conclusions There is no statistical difference between B-scan and computed tomography (CT) measurements of maximum diameter of renal cell carcinoma and pathological findings. The safety of using B-scan or CT scan as a criterion for preserving nephron is good.