Browse by Medical Category
Dr. Copen is an assistant radiologist in the Division of Neuroradiology and director of Advanced Magnetic Resonance Neuroimaging.
Go To Programs
Go To Specialties
View my most recent publications at PubMed
N Suwanwela, U Can, JA Moreira, WA Copen. Hyperacute stroke: evaluation with combined multisection diffusion-weighted and hemodynamically weighted echo-planar MR imaging.Radiology, 1996, pubs.rsna.org.
AG Sorensen, WA Copen, L Ostergaard, FS Buonanno. Hyperacute stroke: simultaneous measurement of relative cerebral blood volume, relative cerebral blood flow, and mean tissue transit time. Radiology, 1999, pubs.rsna.org.
AG Sorensen, O Wu, WA Copen, TL Davis. Human Acute Cerebral Ischemia: Detection of Changes in Water Diffusion Anisotropy by Using MR Imaging 1. Radiology, 1999, pubs.rsna.org.
G Rordorf, WJ Koroshetz, WA Copen, SC Cramer. Regional ischemia and ischemic injury in patients with acute middle cerebral artery stroke as defined by early diffusion-weighted and perfusion-weighted MRI. Stroke, 1998, Am Heart Assoc.
L ?stergaard, FS Buonanno, WA Copen. Predicting tissue outcome in acute human cerebral ischemia using combined diffusion-and perfusion-weighted MR imaging. Stroke, 2001, Am Heart Assoc.
RG Gonzalez, D Bakker, L ?stergaard, WA Copen. Magnetic resonance perfusion-weighted imaging of acute cerebral infarction effect of the calculation methods and underlying vasculopathy. Stroke, 2002, Am Heart Assoc.
WA Copen, LH Schwamm, RG Gonz?lez, O Wu. Ischemic Stroke: Effects of Etiology and Patient Age on the Time Course of the Core Apparent Diffusion Coefficient 1. Radiology, 2001 - pubs.rsna.org.
PW Schaefer, WA Copen, MH Lev. Diffusion-weighted imaging in acute stroke. Neuroimaging Clin N Am. 2005 Aug;15(3):503-30, ix-x.
Some patients who suffer a stroke as a result of a blockage in an artery in the brain may benefit from a clot-busting drug nine or more hours after the onset of symptoms.
Back to Top