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 …

Acute stroke imaging research roadmap II

…, PC Sanelli, M Sasaki, JL Saver, PW Schaefer… - Stroke, 2013 - Am Heart Assoc
Society of Neuroradiology, and the Foundation of the American Society of Neuroradiology
sponsored a series of working group meetings> 12 months, with the final meeting occurring …

MR perfusion imaging in acute ischemic stroke

WA Copen, PW Schaefer, O Wu - Neuroimaging …, 2011 - neuroimaging.theclinics.com
When magnetic resonance (MR) imaging–based techniques for studying brain perfusion
were developed in the 1980s and 1990s, 1 one of the first pathologic conditions to which they …

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 …

Posterior leukoencephalopathy without severe hypertension: utility of diffusion-weighted MRI

H Ay, FS Buonanno, PW Schaefer, DA Le, B Wang… - Neurology, 1998 - AAN Enterprises
Objective: Standard MRI confirms the diagnosis of posterior leukoencephalopathy syndrome
(PLES), recently associated with an increasing number of medical conditions. In PLES, T2-…

Diffusion tensor imaging as potential biomarker of white matter injury in diffuse axonal injury

…, LH Schwamm, PW Schaefer… - American Journal …, 2004 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Multiple biomarkers are used to quantify the severity of
traumatic brain injury (TBI) and to predict outcome. Few are satisfactory. CT and conventional …

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

…, FH Hochberg, PW Schaefer… - 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, …

Significance of large vessel intracranial occlusion causing acute ischemic stroke and TIA

…, M Chou, SC Johnston, G Gonzalez, PW Schaefer… - Stroke, 2009 - Am Heart Assoc
Background and Purpose— Acute ischemic stroke due to large vessel occlusion (LVO)—vertebral,
basilar, carotid terminus, middle and anterior cerebral arteries—likely portends a …

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

…, R Budzik, G Rordorf, FS Buonanno, PW Schaefer… - 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 …

ABC/2 for rapid clinical estimate of infarct, perfusion, and mismatch volumes

JR Sims, LR Gharai, PW Schaefer, M Vangel… - Neurology, 2009 - AAN Enterprises
Background: Rapid and easy clinical assessments for volumes of infarction and perfusion
mismatch are needed. We tested whether simple geometric models generated accurate …