BACKGROUND AND PURPOSE:Aneurysm clips need to be tested at 3T to characterize MR imaging concerns, including magnetic field interactions, MR imagingϪrelated heating, and artifacts. Therefore, we evaluated these risks for aneurysm clips.

The results of this investigation demonstrated that it would be acceptable (i.e., "MR conditional" using current terminology) for patients with these ossicular implants to undergo MRI examinations at 3 T or less. In consideration of the materials and dimensions of the implants that underwent testing, these findings pertain to many other similar ossicular implants from the same manufacturer.

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