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目的研究灰阶超声造影对膀胱癌分期诊断的价值。方法经肘静脉快速注入SonoVue造影剂后,用灰阶超声造影技术分期诊断膀胱癌18例。结果与病理对照,T1和T4期符均为100%,T2期和T3期符合率分别为80%和83%。T1期膀胱癌分期的诊断符合率高于其他影像学检查,其他各期与其他影像学检查相仿。结论膀胱癌的超声造影检查在分期判断上高于常规超声检查,同时对肿块内部血流灌注的观测又能准确作出诊断与鉴别诊断,此法可以和CT与MRI检查形成互补,提高膀胱癌分期的符合率。
Objective To study the value of gray-scale contrast-enhanced ultrasound in the staging diagnosis of bladder cancer. Methods Rapid injection of SonoVue contrast medium through elbow vein was used to diagnose bladder cancer by gray scale contrast echocardiography in 18 cases. Results and pathology, T1 and T4 period were 100%, T2 and T3 coincidence rates were 80% and 83%. T1 stage of bladder cancer staging diagnosis coincidence rate higher than other imaging studies, the other phases and other imaging studies similar. Conclusion Contrast-enhanced ultrasound examination of bladder cancer is superior to routine ultrasound in the diagnosis of bladder cancer, and it can accurately diagnose and differentiate the intra-tumor perfusion. This method can complement the CT and MRI to improve the staging of bladder cancer The coincidence rate.