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为研究彩色多普勒超声（彩超）检查在肾肿瘤定性诊断中的敏感性与准确性，选择经手术切除、病理学证实的肾脏恶性肿瘤15例，将其彩超及影像学等检查资料与术中所见进行对比，结果彩超可见肿瘤血流明显增加，出现异常血管及肿瘤包膜破坏等表现，当肿瘤直径大于5cm时，其检查结果与术中所见相符。由此认为彩超发现血流增加、血管异常及包膜破坏改变中的任何两项，即高度提示为恶性肿瘤，如结合临床表现和B超检查，则更具有较高的敏感性及准确性。
In order to investigate the sensitivity and accuracy of color Doppler ultrasonography (Doppler ultrasound) in the qualitative diagnosis of renal tumors, 15 patients with malignant nephropathy confirmed by pathology and surgery were selected. The data of color Doppler and imaging The results seen in the color Doppler ultrasound showed significantly increased blood flow, abnormal blood vessels and tumor capsule destruction and other performance, when the tumor diameter greater than 5cm, the test results consistent with the intraoperative findings. Therefore, it is considered that any two of the changes of blood flow, vascular abnormalities and capsule destruction found by color Doppler ultrasound are highly suggestive of malignant tumors. For example, combined with clinical manifestations and B-ultrasound, they are more sensitive and accurate.