1973年Gill等氏介绍了上尿路X线造影充盈缺损处的逆行刷取活检技术。这个诊断方法虽然尚未广泛应用,但对这一部位的少见的肿瘤和较不常见的临床情况,该技术还是有用的。作者在6年中采用改进的Gill等的技术,获得良好效果。现将21例逆行刷取活检的经验,并结合大量美国泌尿外科医师的资料对其适应症、并发症以及诊断准确率等进行较充分的评价。材料和方法作者回顾性总结6年中21例逆行刷取活检的资料 In 1973, Gill et al introduced retrograde brush biopsy at the filling defect of upper urinary X-ray contrast. Although this diagnostic method has not yet been widely used, it is still useful for this area of ​​rare tumors and less common clinical conditions. The author used the improved Gill et al technique for six years and achieved good results. Now 21 cases of retrograde brush biopsy experience, combined with a large number of American urologist data on its indications, complications and diagnostic accuracy of a more adequate evaluation. Materials and Methods The authors retrospectively reviewed 21 cases of retrograde brush biopsy data in 6 years