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A high relaxivity contrast agent is indicated for use in MRI of the central nervous system to visualize lesions with an abnormal blood–brain barrier (BBB) or abnormal vascularity of the brain. We evaluated MultiHance (gadobenate dimeglumine, Gd-BOPTA) on T2*-weighted perfusion imaging in 33 histologically proven intra-axial brain tumors. The higher T1 relaxivity, and therefore better contrast-enhanced...
Today there are several indications for cerebral perfusion MRI. The major indications routinely used in increasing numbers of imaging centers include cerebrovascular disease, tumor imaging and recently psychiatric disorders. Perfusion MRI is based on the injection of a gadolinium chelate and the rapid acquisition of images as the bolus of contrast agent passes through the blood vessels in the brain...
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