William A Copen

Summary

Affiliation: Massachusetts General Hospital
Country: USA

Publications

  1. ncbi request reprint Neurological disorders in pregnancy from a neuroimaging perspective
    Steven D Brass
    Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Semin Neurol 27:411-24. 2007
  2. doi request reprint Existence of the diffusion-perfusion mismatch within 24 hours after onset of acute stroke: dependence on proximal arterial occlusion
    William A Copen
    Department of Radiology, Massachusetts General Hospital, GRB 273A, 55 Fruit St, Boston, MA 02114, USA
    Radiology 250:878-86. 2009
  3. pmc MR perfusion imaging in acute ischemic stroke
    William A Copen
    Department of Radiology, Division of Neuroradiology, Massachusetts General Hospital, GRB 273A, 55 Fruit Street, Boston, MA 02114, USA
    Neuroimaging Clin N Am 21:259-83, x. 2011
  4. doi request reprint Combining acute diffusion-weighted imaging and mean transmit time lesion volumes with National Institutes of Health Stroke Scale Score improves the prediction of acute stroke outcome
    Albert J Yoo
    Department of Radiology, Massachusetts General Hospital, Boston, Mass 02114, USA
    Stroke 41:1728-35. 2010
  5. doi request reprint Reliability of cerebral blood volume maps as a substitute for diffusion-weighted imaging in acute ischemic stroke
    Amy R Deipolyi
    Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    J Magn Reson Imaging 36:1083-7. 2012
  6. ncbi request reprint Magnetic resonance perfusion-weighted imaging of acute cerebral infarction: effect of the calculation methods and underlying vasculopathy
    Kei Yamada
    Massachusetts General Hospital NMR Center, Harvard Medical School, Boston, USA
    Stroke 33:87-94. 2002
  7. doi request reprint Outcome in patients with H1N1 influenza and cerebrovascular injury treated with extracorporeal membrane oxygenation
    Felicia C Chow
    Department of Neurology, Massachusetts General Hospital, 15 Parkman Street, Wang Ambulatory Care Center, Suite 835, Boston, MA 02114, USA
    Neurocrit Care 15:156-60. 2011
  8. pmc The Massachusetts General Hospital acute stroke imaging algorithm: an experience and evidence based approach
    RAMON GILBERTO GONZALEZ
    Neuroradiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA
    J Neurointerv Surg 5:i7-12. 2013
  9. pmc Early experience of translating pH-weighted MRI to image human subjects at 3 Tesla
    Phillip Zhe Sun
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Athinoula A Martinos Center for Biomedical Imaging, Charlestown, Mass 02129, USA
    Stroke 41:S147-51. 2010

Collaborators

Detail Information

Publications9

  1. ncbi request reprint Neurological disorders in pregnancy from a neuroimaging perspective
    Steven D Brass
    Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Semin Neurol 27:411-24. 2007
    ....
  2. doi request reprint Existence of the diffusion-perfusion mismatch within 24 hours after onset of acute stroke: dependence on proximal arterial occlusion
    William A Copen
    Department of Radiology, Massachusetts General Hospital, GRB 273A, 55 Fruit St, Boston, MA 02114, USA
    Radiology 250:878-86. 2009
    ....
  3. pmc MR perfusion imaging in acute ischemic stroke
    William A Copen
    Department of Radiology, Division of Neuroradiology, Massachusetts General Hospital, GRB 273A, 55 Fruit Street, Boston, MA 02114, USA
    Neuroimaging Clin N Am 21:259-83, x. 2011
    ..This review discusses the basic pathophysiology of acute stroke, the utility of different kinds of perfusion images, and research on the continually evolving role of MR perfusion imaging in acute stroke care...
  4. doi request reprint Combining acute diffusion-weighted imaging and mean transmit time lesion volumes with National Institutes of Health Stroke Scale Score improves the prediction of acute stroke outcome
    Albert J Yoo
    Department of Radiology, Massachusetts General Hospital, Boston, Mass 02114, USA
    Stroke 41:1728-35. 2010
    ....
  5. doi request reprint Reliability of cerebral blood volume maps as a substitute for diffusion-weighted imaging in acute ischemic stroke
    Amy R Deipolyi
    Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    J Magn Reson Imaging 36:1083-7. 2012
    ..Some propose using perfusion imaging, specifically CBV maps, in place of DWI. We examined whether CBV maps can reliably subsitute for DWI, and assessed the effect of scan duration on calculated CBV...
  6. ncbi request reprint Magnetic resonance perfusion-weighted imaging of acute cerebral infarction: effect of the calculation methods and underlying vasculopathy
    Kei Yamada
    Massachusetts General Hospital NMR Center, Harvard Medical School, Boston, USA
    Stroke 33:87-94. 2002
    ..Steno-occlusive disease in the parent vessels is another factor that may affect the results of the PWI. The purpose of this study was to elucidate the effect of the calculation methods and underlying vasculopathy on PWI...
  7. doi request reprint Outcome in patients with H1N1 influenza and cerebrovascular injury treated with extracorporeal membrane oxygenation
    Felicia C Chow
    Department of Neurology, Massachusetts General Hospital, 15 Parkman Street, Wang Ambulatory Care Center, Suite 835, Boston, MA 02114, USA
    Neurocrit Care 15:156-60. 2011
    ..Although intracranial hemorrhage and infarction have been reported in patients with H1N1 influenza infection treated with extracorporeal membrane oxygenation (ECMO), the clinical outcomes of these patients are not well described...
  8. pmc The Massachusetts General Hospital acute stroke imaging algorithm: an experience and evidence based approach
    RAMON GILBERTO GONZALEZ
    Neuroradiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA
    J Neurointerv Surg 5:i7-12. 2013
    ....
  9. pmc Early experience of translating pH-weighted MRI to image human subjects at 3 Tesla
    Phillip Zhe Sun
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Athinoula A Martinos Center for Biomedical Imaging, Charlestown, Mass 02129, USA
    Stroke 41:S147-51. 2010
    ..Tissue pH, a well-regulated physiological index that alters on disrupted tissue metabolism, may provide a surrogate metabolic imaging marker that augments the DWI and PWI for penumbra imaging...