portovenogram

例句：

1. 1. The doctor ordered a portovenogram to check the blood flow in the leg.
   医生要求做静脉造影检查腿部的血流情况。
2. 2. During the procedure, the patient was given a contrast dye for the portovenogram.
   在进行该程序时，患者被给予对比剂用于静脉造影。
3. 3.Portovenograms are often used to diagnose conditions such as venous thrombosis (blood clots).
   静脉造影常用于诊断如静脉血栓等疾病。