Retrograde ureteropyelography and ureteroscopy are the most important diagnostic methods among various examinations .

在各种检查中，逆行 肾盂 造影和输尿管镜检查是最重要的诊断方法。

Retrograde ureteropyelography ? cystoscopy were the most important diagnostic method .

B超 为 首选影像学检查方法， 静脉 尿 路 造影、逆行 肾盂 输尿管 造影、膀胱镜检查是最重要的诊断方法。

The common symptom was painless gross hematuria . The main diagnostic methods were intravenous urography ( IVU ) ultrasound cystoscopy retrograde ureteropyelography ureteroscopy and the preoperative diagnosis corresponding rate was 93.3 % ( 28 / 30 ) .

首发症状以肉眼血尿最常见，尿路造影（IVU）、B超、膀胱镜、逆性 输尿管 肾盂 造影、 CT 及输尿管镜检查是主要的诊断方法，术前诊断符合率93.3%（28/30）。

The diagnosis was based mainly on intravenous urography ( IVU ) and retrograde ureteropyelography ( RGU ) showing hydronephrosis and hydroureter of upper segment with S shaped dilatation .

诊断主要依据IVU及逆行 输尿管 造影，表现 为肾及输尿管上段积水，呈S形扩张。

The pre operation imaging examination were used including ultrasound IVP retrograde ureteropyelography CT and MRI .

术前影像检查包括：B超，静脉肾盂造影，逆行 输尿管 造影，CT和MRI。

Conclusions : Cystoscopy and retrograde ureteropyelography are essential for the diagnosis .

结论：膀胱镜、逆行 肾盂 输尿管 造影是诊断 原 发性 输尿管 癌 的 最基本的检查 手段。

The diagnostic methods were cystoscopy retrograde ureteropyelography CT and ureteroscopy . Operation was the choice of treatment .

CT及膀胱镜检查，逆行 输尿管 造影和输尿管镜检查 为主要诊断方法， 以手术治疗 为主。

All cases were confirmed by ureteropyelography in which 6 cases confirmed by surgical pathological examinations .

全部病例经 静脉 尿 路 造影证实，其中6例经外科手术治疗且病理证实。

Conclusion Ultrasound IVU cystoscopy retrograde ureteropyelography and intravenous drip urography of large dose were essential for the diagnosis of primary ureteral carcinoma .

结论静脉尿路造影、膀胱镜和逆行 肾盂 输尿管造影是原发性输尿管恶性肿瘤的基本检查 手段；