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目的探讨能量多普勒超声在肾脏占位性病变中的诊断价值。方法对21例肾脏占位性病变分别进行二维超声,彩色及能量多普勒超声检查,并与临床病理结果相对照。结果肾脏占位性病变在二维声像图上多表现为低回声,能量多普勒较彩色多普勒血流显像更易显示肾脏占位性病变的血流信号。结论能量多普勒超声可提高肾占位性病变的血流信号显示率,结合二维超声图像及临床表现可有利于肾透明细胞癌的早期发现。
Objective To investigate the diagnostic value of energy Doppler ultrasound in the lesions of the kidney. Methods Twenty-one cases of renal space-occupying lesions were examined by two-dimensional ultrasonography, color Doppler and energy Doppler ultrasonography respectively. The results were compared with the clinicopathological findings. Results Kidney space-occupying lesions showed hypoechoicity in two-dimensional sonography. Compared with color Doppler flow imaging, energy Doppler showed more easily the signal of renal space-occupying lesion. Conclusions Power Doppler ultrasound can improve the signal display rate of renal space-occupying lesions. Combined with two-dimensional ultrasound images and clinical manifestations, it is beneficial to the early detection of renal clear cell carcinoma.