Noun
a substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills
Source: WordNetThe leaking veins responsible may be visualised by infusing a mixture of saline and x ray contrast medium and performing a cavernosogram. citation In Digital Subtraction Angiography (DSA), the images are acquired digitally. Source: Internet
Taken with intravenous contrast medium. Source: Internet