Lower-extremity deep venous thrombosis ; contrast venography ; fibrinolytic treatment .

深静脉血栓形成；静脉造影；溶解纤维蛋白治疗。

X-ray computed ; venography ; iliac vein compression syndrome .

x线计算机;静脉造影术;髂静脉压迫综合征。

Methods retrospectively analyze 93 case x-ray data of venography of the lower limbs .

方法回顾性分析93例下肢静脉造影的影像资料。

X-ray computed ; coronary sinus ; coronary venography ; heart electrophysiology .

x线计算机;冠状静脉窦;冠状静脉造影;心电生理。

However , less experienced doctor or a more difficult clinical cases , venography is necessary .

不过，对于经验不足的医生或是临床较为疑难的病例，静脉造影还是必要的。