intravenous urography (IVU)
【待翻译】in-trah-VE-nus u-ROG-rah-fe
释义：Radiographic visualization of the urinary tract after intravenous administration of a contrast medium that is excreted in the urine; also called excretory urography or intravenous pyelography, although the latter is less accurate because the procedure shows more than just the renal pelvis