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目的：通过彩色多普勒能量图（ＣＤＥＩ）在小肾癌诊断中的实际应用，了解小肾癌ＣＤＥＩ的特异表现；方法：应用ＣＤＥＩ模式检测小肾癌１４例，并与３０例肾柱良性肥大者对照；结果与结论：小肾癌病灶内以线状及树枝状血流信号居多（８５．６％），周边以环状血流信号为多（７１．４％），肾柱良性肥大者肥大区内以星状血流信号居多（６３．４％），周边以线状血流信号居多（７０％）；依据ＣＤＦＩ诊断小肾癌符合率８５．７％。
OBJECTIVE: To understand the specific manifestations of CDEI in small renal cell carcinoma (CDEI) through the practical application of color Doppler energy imaging (CDEI) in the diagnosis of small renal cell carcinoma.Methods: CDEI was used to detect 14 cases of small renal cell carcinoma and was compared with 30 cases of benign renal column Hypertrophy control; Results and Conclusion: Small renal cell carcinoma with linear and dendritic blood flow signals (85.6%), peripheral ring flow signals (71.4%), benign renal hypertrophy In the hypertrophy area, most of the signals were stellate blood flow (63.4%), peripheral blood flow signals were mostly (70%), and the coincidence rate of small renal cell carcinoma based on CDFI was 85.7%.