MRI Contrast Agents. Mark D. Herbst, M.D., Ph.D. Contrast Agents. Types Paramagnetic Superparamagnetic Diamagnetic. Comparison with X-ray Contrast. In radiography (barium enema, UGI series, angiography, arthrography, etc.) we image the contrast agent itself.
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Mark D. Herbst, M.D., Ph.D.
Iron Magnetite, superparamagnetic agent
Makes liver black on T2WI, mets show up as bright white.
Geenen, R. W. F. et al. Radiographics 2004;24:e18
Copyright ©Radiological Society of North America, 2004
Juices "Contrast agents" – orange juice (OJ), grapefruit juice (GJ), apple juice (AJ), pineapple juice (PJ), milk (M), prune juice (P), cranberry juice (CJ), blueberry and apple juice (BAJ), barium EZ Cat 2% w/v (B), dilute barium (50:50 with water) (DB), concentrated gastrografin (GG), ferumoxsil (F) and water (W).