Detachable coil for cerebral aneurysms: in vitro evaluation of magnetic field interactions, heating, and artifacts at 3T.
作者信息
Shellock Frank G, Gounis Matthew, Wakhloo Ajay
机构信息
Keck School of Medicine, University of Southern California and Institute for Magnetic Resonance Safety, Education, and Research, 7511 McConnell Avenue, Los Angeles, CA 90045, USA.
出版信息
AJNR Am J Neuroradiol. 2005 Feb;26(2):363-6.
Abstract
A detachable coil was assessed for magnetic field interactions, heating (body RF coil, SAR of 2.0-W/kg), and artifacts at 3-Tesla. The coil showed no magnetic field interactions and heating was negligible (+0.3 degrees C). Therefore, this coil is safe for a patient undergoing MR imaging at 3T or less. While artifacts may impair the ability to properly visualize anatomy in proximity to this implant, careful selection of imaging parameters can mitigate this problem.
摘要
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