Dedicated Phantom to Study Susceptibility Artifacts Caused by Depth Electrode in Magnetic Resonance Imaging

被引：0
|
作者：
Garcia, J. [1 ]
Hidalgo, S. S. [1 ]
Solis, S. E. [2 ]
Vazquez, D. [3 ]
Nunez, J. [3 ]
Rodriguez, A. O. [1 ]
机构：
[1] Univ Autonoma Metropolitana Iztapalapa, Lab Imagen & Resonancia Magnet, Mexico City 09340, DF, Mexico
[2] Univ Nacl Autonoma Mexico, Fac Ciencias, Mexico City 04510, DF, Mexico
[3] Gen Hosp Mexico, Clin Epilepsia, Mexico City 6726, DF, Mexico
来源：
MEDICAL PHYSICS | 2012年 / 1494卷
关键词：
depth electrode; magnetic resonance imaging; susceptibility artifact; phantom; MRI; EPILEPSY; SAFETY;
D O I：
10.1063/1.4764610
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The susceptibility artifacts can degrade of magnetic resonance image quality. Electrodes are an important source of artifacts when performing brain imaging. A dedicated phantom was built using a depth electrode to study the susceptibility effects under different pulse sequences. T2-weighted images were acquired with both gradient- nd spin-echo sequences. The spin-echo sequences can significantly attenuate the susceptibility artifacts allowing a straightforward visualization of the regions surrounding the electrode.
引用
收藏
页码：97 / 99
页数：3
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