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From the Division of Critical Care Neurology, Department of Neurology (Drs. Maramattom, Manno, and Wijdicks), and the Department of Neuroradiology (Dr. Lindell), Mayo Clinic College of Medicine, Rochester, MN.
Address correspondence and reprint requests to Dr. Eelco F.M. Wijdicks, Mayo Clinic College of Medicine, Department of Neurology, W8B, 200 First Street SW, Rochester, MN 55905; e-mail: wijde{at}mayo.edu
Gadolinium chelates are extensively used in MRI studies. Neurotoxicity due to gadolinium chelates is minimal and uncommon. A 57-year-old woman in renal failure developed a subacute encephalopathy after inadvertent repetitive gadolinium contrast administration. An unusual MRI appearance with CSF hyperintensity due to gadolinium diffusion into the CSF is also shown.
Received September 20, 2004. Accepted in final form December 27, 2004.
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