It is also an excellent method to study the non-functioning kidney which cannot be seen in the intravenous pyelogram.

又功能不好，以静脉肾盂摄影术无法照出的肾臓亦可用超音波图进一步的探讨，很适合小儿科学上的使用。

This intravenous pyelogram (IVP) of a normal urinary tract on the left demonstrates contrast filling the pelvis, ureter, and bladder.

静脉肾盂造影显示正道，可见肾盂、输管和膀胱。