期刊文献+
任意字段
题名或关键词
题名
关键词
文摘
作者
第一作者
机构
刊名
分类号
参考文献
作者简介
基金资助
栏目信息

磁共振成像技术进展及其在中枢神经系统的应用 被引量：1

下载PDF
导出
摘要 近年的MRI技术进展主要体现在3．0T设备的不断成熟及超高场强MRI在中枢神经系统的投入使用。由于MRI的信噪比（SNR）与主磁场强度成正比，与、1．5T的设备比较，应用3．0T设备所得信号的信噪比几乎可提高1倍。随着更高采集带宽、更高效阵列线圈并行采集技术、更强梯度场，以及回波容积成像（EVI）的应用，通过单次激发或单次采集获得高分辨图像业已成为可能。目前，全世界已有50余台用于人体成像的7．0TMRI设备在运行，在9．4T设备上对成年家兔及其后代未观察到不良生物学效应，应用于人体成像的11．7TMRI设备也已得到批准，预计将于2012年投入使用。
作者 李坤成
机构地区 首都医科大学宣武医院医学影像学部放射科
出处 《中国现代神经疾病杂志》 CAS 2011年第3期259-261,共3页 Chinese Journal of Contemporary Neurology and Neurosurgery
关键词 磁共振成像 中枢神经系统疾病 综述文献
分类号 R445.2 [医药卫生—影像医学与核医学]
  • 相关文献

参考文献19

  • 1Lindquist MA, Zhang CH, Glover G, et al. Rapid three- dimensional functional magnetic resonance imaging of the initial negative BOLD response. J Magn Reson, 2008, 191:100- 111.
  • 2Bandettini PA. What's new in neuroimaging methods? Ann NY Acad Sci, 2009, 1156:260-293.
  • 3Hennig J, Zhong K, Speck O, et al. MR-eneephalography: fast multi- channel monitoring of brain physiology with magnetic resonance. Neuroimage, 2007, 34:212-219.
  • 4Rigotti D J, Inglese M, Gonen O, et al. Whole- brain N- acetylaspartate as a surrogate marker of neuronal damage in diffuse neurologic disorders. AJNR Am J Neuroradiol, 2007, 28: 1843-1849.
  • 5Benedetti B, Rigotti DJ, Liu S, et al. Reproducibility of the whole- brain N- acetylaspartate level across institutions, MR scanners, and field strengths. AJNR Am J Neuroradiol, 2007, 28:72-75.
  • 6Hoevener JB, Rigotti DJ, Amann M, et al. Whole-brain N- acetylaspartate MR spectroscopic quantification: performance comparison of metabolite versus lipid nulling. AJNR Am J Neuroradiol, 2008, 29:1441-1445.
  • 7Raichle ME, MacLeod AM, Snyder AZ, et al. A default mode of brain function. Proc Natl Acad Sci USA, 2001, 98:676-682.
  • 8赵澄,卢洁,李坤成,王晓怡,王辉,张苗.静息态功能磁共振成像临床应用扫描时间的优化研究[J].中国现代神经疾病杂志,2011,11(3):299-303. 被引量：1
  • 9Schummers J, Yu H, Sur M, et al. Tuned responses of astrocytes and their influence on hemodynamic signals in the visual cortex. Science, 2008, 320:1638-1643.
  • 10Poldrack RA, Fletcher PC, Henson RN, et al. Guidelines for reporting an fMRI study. Neuroimage, 2005, 40:409-414.

二级参考文献64

共引文献8

同被引文献19

  • 1张川,杨树源,朱涛,蔡莉,高硕.PET-CT神经导航优化脑胶质瘤手术[J].中华神经外科杂志,2007,23(2):83-86. 被引量：14
  • 2Kuhnt D, Bauer MH, Nimsky C. Brain shift compensation and neurosurgical image fusion using intraoperative MRI: current status and future challenges. Crit Rev Biomed Eng, 2012, 40:175-185.
  • 3Moche M, Busse H, Dannenberg C, et al. Fusion of MRI, fMRI and intraoperative MRI data: methods and clinical significance examplified by neurosurgical interventions. Radiologe, 2001, 41: 993-1000.
  • 4Ogawa S, Lee TM, Kay AR, et al. Brain magnetic resonance imaging with contrast dependent on blood oxygenation. Proc Natl Acad Sci USA, 1990, 87:9868-9872.
  • 5Kim SG, Ogawa S. Biophysical and physiological origins of blood oxygenation level-dependent fMRI signals. J Cereb Blood Flow Metab, 2012, 32:1188-1206.
  • 6Basser PJ. Inferring microstructural features and the physiological state of tissues from diffusion-weighted images. NMR Biomed, 1995, 8:333-344.
  • 7Fernandez-Miranda JC, Rhoton AL Jr, Alvarez-Linera J, et al. Three-dimensional microsurgical and tractographic anatomy of the white matter of the human brain. Neurosurgery, 2008, 62(6 Suppl 3):989-1026.
  • 8Di Chiro G, DeLaPaz RL, Brooks RA, et al. Glucose utilization of cerebral gliomas measured by [18F] fluorodeoxyglucose and positron emission tomography. Neurology, 1982, 32:1323-1329.
  • 9Niyazi M, Geisler J, Siefert A, et al. FET-PET for malignant glioma treatment planning. Radiother Oncol, 2011, 99:44-48.
  • 10Tripathi M, Sharma R, Varshney R, et al. Comparison of F-18 FDG and C-11 methionine PET/CT for the evaluation of recurrent primary brain tumors. Clin Nucl Med, 2012, 37:158-163.

引证文献1

二级引证文献25

中国现代神经疾病杂志
2011年 第3期

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部