Diffusion-weighted MR imaging of the brain

PW Schaefer, PE Grant, RG Gonzalez - Radiology, 2000 - pubs.rsna.org
Diffusion-weighted magnetic resonance (MR) imaging provides image contrast that is different
from that provided by conventional MR techniques. It is particularly sensitive for detection …

Hyperacute stroke: evaluation with combined multisection diffusion-weighted and hemodynamically weighted echo-planar MR imaging.

AG Sorensen, FS Buonanno, RG Gonzalez… - Radiology, 1996 - pubs.rsna.org
PURPOSE: To evaluate acute stroke with conventional, multisection diffusion-weighted (DW),
and hemodynamically weighted (HW) magnetic resonance (MR) imaging. MATERIALS …

The hippocampal formation participates in novel picture encoding: evidence from functional magnetic resonance imaging.

CE Stern, S Corkin, RG González… - Proceedings of the …, 1996 - National Acad Sciences
Considerable evidence exists to support the hypothesis that the hippocampus and related
medial temporal lobe structures are crucial for the encoding and storage of information in long-…

Diffusion-weighted MR imaging: diagnostic accuracy in patients imaged within 6 hours of stroke symptom onset

RG Gonzalez, PW Schaefer, FS Buonanno… - Radiology, 1999 - pubs.rsna.org
PURPOSE: To evaluate the diagnostic accuracy of diffusion-weighted magnetic resonance (MR)
imaging performed within 6 hours of the onset of stroke symptoms. MATERIALS AND …

[HTML][HTML] Reward circuitry activation by noxious thermal stimuli

L Becerra, HC Breiter, R Wise, RG Gonzalez… - Neuron, 2001 - cell.com
Using functional magnetic resonance imaging (fMRI), we observed that noxious thermal
stimuli (46C) produce significant signal change in putative reward circuitry as well as in classic …

Glial tumor grading and outcome prediction using dynamic spin-echo MR susceptibility mapping compared with conventional contrast-enhanced MR: confounding …

…, PW Schaefer, RG Gonzalez - American Journal …, 2004 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: The MR imaging characteristics of oligodendrogliomas and
astrocytomas on spin-echo (SE), echo-planar relative cerebral blood volume (rCBV) maps, …

Time course of lesion development in patients with acute stroke: serial diffusion-and hemodynamic-weighted magnetic resonance imaging

…, G Rordorf, FS Buonanno, PW Schaefer, RG Gonzalez - Stroke, 1998 - Am Heart Assoc
Background and Purpose—We sought to characterize the evolution of acute ischemic stroke
by MRI and its relationship to patients’ neurological outcome. Methods—Fourteen patients …

Hyperacute stroke: simultaneous measurement of relative cerebral blood volume, relative cerebral blood flow, and mean tissue transit time

…, L Østergaard, FS Buonanno, RG Gonzalez… - Radiology, 1999 - pubs.rsna.org
PURPOSE: To investigate additional information provided by maps of relative cerebral
blood flow in functional magnetic resonance (MR) imaging of human hyperacute cerebral …

Human acute cerebral ischemia: detection of changes in water diffusion anisotropy by using MR imaging

…, O Wu, WA Copen, TL Davis, RG Gonzalez… - Radiology, 1999 - pubs.rsna.org
PURPOSE: To (a) determine the optimal choice of a scalar metric of anisotropy and (b)
determine by means of magnetic resonance imaging if changes in diffusion anisotropy occurred …

CT and conventional and diffusion-weighted MR imaging in acute stroke: study in 691 patients at presentation to the emergency department

…, EF Halpern, H Ay, J He, WJ Koroshetz, RG Gonzalez - Radiology, 2002 - pubs.rsna.org
PURPOSE: To compare the diagnostic accuracy of computed tomography (CT) and
magnetic resonance (MR) imaging in a consecutive series of patients at presentation to the …