Functional Brain Imaging |
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Page 262
... Gd - DTPA 99,100 ( Fig . 7-32 ) and is more likely to be toxic . Additionally , the relaxation characteristics of super- paramagnetic iron particles have been studied , 101 and these results have particular clinical relevance when ...
... Gd - DTPA 99,100 ( Fig . 7-32 ) and is more likely to be toxic . Additionally , the relaxation characteristics of super- paramagnetic iron particles have been studied , 101 and these results have particular clinical relevance when ...
Page 264
... Gd - DTPA is used as the intravascular indicator substance . These nonequilibrium indicator dilution methods are related to the steady state constant infusion techniques first described over 100 years ago121 and were mathematically ...
... Gd - DTPA is used as the intravascular indicator substance . These nonequilibrium indicator dilution methods are related to the steady state constant infusion techniques first described over 100 years ago121 and were mathematically ...
Page 273
... DTPA T1 Τ2 ------- T1 -0.05 - -0.04 T2 - 11 -0.03 -0.02 0.05 0.1 1 2 3 4 5 I 1 Concentration Gd3 + -DTPA ( mM ) linear relationship between Gd - DTPA concentration and T1 relaxation rate in other organs 136 and blood.24 In general ...
... DTPA T1 Τ2 ------- T1 -0.05 - -0.04 T2 - 11 -0.03 -0.02 0.05 0.1 1 2 3 4 5 I 1 Concentration Gd3 + -DTPA ( mM ) linear relationship between Gd - DTPA concentration and T1 relaxation rate in other organs 136 and blood.24 In general ...
Contents
Introduction to Brain Imaging | 1 |
Computerized Axial Tomography | 97 |
Magnetic Resonance Imaging | 145 |
Copyright | |
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Functional Brain Imaging William W. Orrison,Jeffrey Lewine,John Sanders,Michael F. Hartshorne Limited preview - 2017 |
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abnormal activity ALFMA arterial auditory Axial axon basal ganglia brain capillary cells central central sulcus cerebral blood flow chemical shift clinical coil computed computed tomography contrast agent cortex cortical decreased demonstrating detection diffusion dipole disease effects encoding epilepsy extracellular field strength FMRI focal frequency functional Gd-DTPA glucose gradient HMPAO infarction inhomogeneous injection lesions Magn Reson magnetic field magnetic resonance imaging mapping measured membrane metabolism methods motor msec neoplasms nerve nervous system neural neuromagnetic neurons normal Nucl nuclei oxygen paramagnetic patients pattern peak perfusion phase positron emission tomography posterior processing projections proton pulse Radon transform rCBF receptors relaxation scan seizures sensitivity sequences signal changes signal intensity slice SMRM Annual Meeting somatosensory spatial SPECT spectra spikes spin echo stimulation studies T2-weighted techniques temporal lobe thalamus tion tissue tumors uptake visual voxel white matter