N,N'-bis(2,3-dihydroxypropyl)-5-[N-(2-hydroxy-3-methoxypropyl) acetamido]-2,4,6-triiodoisophthalamide; a nonionic, monomeric, low osmolar radiographic contrast medium for intravenous urography or angiography.
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The contrast media was a solution of polyethylene glycol (PEG 200, Scharer and Schlapfer AG, Rothrist, Switzerland) and iopentol (Imagopaque 300, GE Healthcare, Basel, Switzerland) in a mixture ratio of 10:1 (mean radiodensity, 600 Hounsfield units [HU]).2 Primary image evaluation, 2-dimensional reformations, and 3-dimensional reconstructions were performed on a CT workstation (Leonardo, Siemens).