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肾癌预后的重要因素是就诊时的肿瘤分期。作者在28例肾癌分期中前瞻性研究了动态CT扫描的价值,并与B超、动脉造影和常规CT进行比较。总的分期准确率为动态CT72％、常规CT50％、B超50％、动脉造影48％。动态CT的扫描方法:经前臂静脉给予Niopam370 100ml,给药一半时开始对肾脏连续快速断层扫描,扫描时间为4秒,间隔为2.4秒。作者指出,B超确定静脉内瘤栓和“T”分期的总分期准确率为70％,但在分别分期中则有较多假阳性和假阴性。主要由于难以识别腹膜后结构,尤为肾门淋巴结、肾静脉和肝内腔静I脉。在肾癌分期中,选
An important factor in the prognosis of renal cancer is the stage of the tumor at the time of treatment. The authors prospectively studied the value of dynamic CT scans in 28 cases of renal cancer staging and compared them with B-mode ultrasonography, arteriography, and conventional CT. The overall stage accuracy was 72% for dynamic CT, 50% for conventional CT, 50% for B, and 48% for arteriography. The dynamic CT scan method was: Nipalm370 was given 100 ml via the forearm vein and a continuous fast tomography scan of the kidney was started at half the time of administration. The scan time was 4 seconds and the interval was 2.4 seconds. The authors pointed out that the accuracy of the total staging of intravenous thrombolysis and “T” staging by B ultrasound was 70%, but there were more false positives and false negatives in the respective stages. It is mainly due to the difficulty in recognizing retroperitoneal structures, especially in the renal lymph nodes, renal veins, and hepatic lumen. In renal cancer staging, choose