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

又对功能不好，以静脉盂摄影术无法照臓亦可用超音波图进一步探讨，很适科学上使用。

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

静脉盂造影显示正常泌尿道，可见盂、输尿管和膀胱。