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Preparation, Purification, and Characterization of Lanthanide Complexes for Use as Contrast Agents for Magnetic Resonance Imaging
Published on: July 21, 2011
Zinc transmetallation and gadolinium retention after MR imaging: case report
1Department of Neurology, Brigham and Women's Hospital, Children's Hospital Informatics Program, Harvard Medical School, 75 Francis St, Boston, MA 02115, USA. sagreenberg@partners.org
Abstract:
A patient with chronic zinc poisoning from denture cream retained gadolinium after a magnetic resonance imaging procedure, likely due to transmetallation. During chelation therapy, high levels of gadolinium in excreted urine (up to 89 μg/d, 29 days after gadolinium administration) were present, indicating that gadolinium had been retained. Almost 2½ years after gadolinium exposure, a 24-hour urine collection indicated that the gadolinium level remained in the elevated range (0.6 μg/d). This single case report suggests that patients with elevated zinc exposure may be at increased risk of gadolinium retention.
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