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0 引言 输尿管结石是泌尿外科最常见的疾病之一 ,腹部平片 (KUB)、静脉尿路造影 (IVU)、B超被公认为是该疾病的常用诊断方法 ,三者可以互补 .但KUB及IVU对输尿管阴性结石的诊断 ,长期以来成为传统X线诊断中的一个难点 .我们通过对 74例输尿管阴性结石的B超、IVU及CT平扫的对
0 Introduction Ureteral calculi is one of the most common urological diseases. KUB, IVU and B-ultrasound are commonly used as diagnostic methods for this disease. However, KUB and IVU diagnosis of ureter-negative stones, has long been a traditional X-ray diagnosis of a difficult we pass 74 cases of ureter-negative stones B-scan, IVU and CT scan of the pair