Gadoversetamide (OptiMARK). Gadoversetamide a nonionic clear, colorless to slightly yellow, gadolinium-based contrast agent indicated to visualize lesions with abnormal vascularity of the CNS or liver. It is a hypertonic solution with an osmolality of 3.9 times that of plasma. The primary clinical effect is on T1 relaxation time.
Mangafodipir Trisodium (Teslascan). Mangafodipir trisodium is a clear bright to dark yellow chelate of paramagnetic manganese for intravenous administration. Manganese is distributed to the liver and pancreas and shortens the T1-weighted relaxation time. It is indicated to detect metastatic lesions of the liver, focal pancreatic lesions, and hepatocellular carcinoma.
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