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目的：提高原发性输尿管恶性肿瘤的诊所水平。方法：回顾性总结1973～1997年经手术证实的原发性输尿管恶性肿瘤57例，并对其临床特点及各种检查方法的选择进行分析。结果：术前诊断符合率为96．5％（55／57）。结论：凡原因不明的血尿患者，经B超或静脉路造影检查发现有肾积水或肾不显影时应考虑到原发性输尿管肿瘤的可能。在各种检查中，以逆行输尿管造影的诊断符合率最高。
Objective: To improve the clinic level of primary ureteral malignancies. Methods: Retrospectively reviewed 57 cases of primary malignant ureteral tumors confirmed by operation from 1973 to 1997, and analyzed the clinical features and the selection of various examination methods. Results: The coincidence rate of preoperative diagnosis was 96.5% (55/57). Conclusion: All patients with unknown cause of hematuria, B ultrasound or intravenous angiography showed hydronephrosis or renal imaging should be considered when the possibility of primary ureteral tumors. In a variety of tests, the diagnosis of retrograde ureterography in line with the highest rate.