GREGORY ZAHARCHUK

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. ncbi Arterial spin labeling imaging findings in transient ischemic attack patients: comparison with diffusion- and bolus perfusion-weighted imaging
    Greg Zaharchuk
    Department of Radiology, Stanford University, Stanford, CA 94305 5488, USA
    Cerebrovasc Dis 34:221-8. 2012
  2. ncbi Comparison of arterial spin labeling and bolus perfusion-weighted imaging for detecting mismatch in acute stroke
    Greg Zaharchuk
    Department of Radiology, Stanford University Medical Center, 1201 Welch Road, Mailcode 5488, Stanford, CA 94305 5488, USA
    Stroke 43:1843-8. 2012
  3. ncbi Arterial spin-labeling MRI can identify the presence and intensity of collateral perfusion in patients with moyamoya disease
    Greg Zaharchuk
    Stanford University Medical Center, 1201 Welch Road, Mailcode 5488, Stanford, CA 94305 5488, USA
    Stroke 42:2485-91. 2011
  4. ncbi Comparison of MR and contrast venography of the cervical venous system in multiple sclerosis
    G Zaharchuk
    Department of Radiology, Stanford University, California, USA
    AJNR Am J Neuroradiol 32:1482-9. 2011
  5. ncbi Arterial spin label imaging of acute ischemic stroke and transient ischemic attack
    Greg Zaharchuk
    Stanford University Medical Center, Stanford University, 1201 Welch Road, Mailcode 5488, Stanford, CA 94305 5488, USA
    Neuroimaging Clin N Am 21:285-301, x. 2011
  6. ncbi Reduced field-of-view diffusion imaging of the human spinal cord: comparison with conventional single-shot echo-planar imaging
    G Zaharchuk
    Department of Radiology, Stanford University, California, USA
    AJNR Am J Neuroradiol 32:813-20. 2011
  7. ncbi Combined arterial spin label and dynamic susceptibility contrast measurement of cerebral blood flow
    Greg Zaharchuk
    Department of Radiology, Stanford University, Stanford, California 94305 5488, USA
    Magn Reson Med 63:1548-56. 2010
  8. ncbi Improving dynamic susceptibility contrast MRI measurement of quantitative cerebral blood flow using corrections for partial volume and nonlinear contrast relaxivity: A xenon computed tomographic comparative study
    Greg Zaharchuk
    Department of Radiology, Stanford University, Stanford, California, USA
    J Magn Reson Imaging 30:743-52. 2009
  9. ncbi Arterial spin-label imaging in patients with normal bolus perfusion-weighted MR imaging findings: pilot identification of the borderzone sign
    Greg Zaharchuk
    Department of Radiology, Stanford University Medical Center, 1201 Welch Rd, PS 04, MC 5488, Stanford, CA 94305 5488, USA
    Radiology 252:797-807. 2009
  10. ncbi Noninvasive imaging of quantitative cerebral blood flow changes during 100% oxygen inhalation using arterial spin-labeling MR imaging
    G Zaharchuk
    Department of Radiology, Stanford University, Stanford, CA 94305 5487, USA
    AJNR Am J Neuroradiol 29:663-7. 2008

Research Grants

  1. Quantifying Collateral Perfusion in Cerebrovascular Disease
    GREGORY ZAHARCHUK; Fiscal Year: 2009

Detail Information

Publications13

  1. ncbi Arterial spin labeling imaging findings in transient ischemic attack patients: comparison with diffusion- and bolus perfusion-weighted imaging
    Greg Zaharchuk
    Department of Radiology, Stanford University, Stanford, CA 94305 5488, USA
    Cerebrovasc Dis 34:221-8. 2012
    ..Due to its high sensitivity to minor perfusion alterations, we hypothesized that ASL abnormalities would be identified frequently in TIA patients, and could therefore help increase clinicians' confidence in the diagnosis...
  2. ncbi Comparison of arterial spin labeling and bolus perfusion-weighted imaging for detecting mismatch in acute stroke
    Greg Zaharchuk
    Department of Radiology, Stanford University Medical Center, 1201 Welch Road, Mailcode 5488, Stanford, CA 94305 5488, USA
    Stroke 43:1843-8. 2012
    ..Arterial spin labeling (ASL) is an alternative perfusion method that does not require contrast. This study compares the agreement of ASL-DWI and PWI-DWI mismatch classification in patients with stroke...
  3. ncbi Arterial spin-labeling MRI can identify the presence and intensity of collateral perfusion in patients with moyamoya disease
    Greg Zaharchuk
    Stanford University Medical Center, 1201 Welch Road, Mailcode 5488, Stanford, CA 94305 5488, USA
    Stroke 42:2485-91. 2011
    ....
  4. ncbi Comparison of MR and contrast venography of the cervical venous system in multiple sclerosis
    G Zaharchuk
    Department of Radiology, Stanford University, California, USA
    AJNR Am J Neuroradiol 32:1482-9. 2011
    ..We report our initial experience comparing MRV and CV in MS patients to evaluate venous stenosis and collateral venous drainage...
  5. ncbi Arterial spin label imaging of acute ischemic stroke and transient ischemic attack
    Greg Zaharchuk
    Stanford University Medical Center, Stanford University, 1201 Welch Road, Mailcode 5488, Stanford, CA 94305 5488, USA
    Neuroimaging Clin N Am 21:285-301, x. 2011
    ..However, this sensitivity can enable visualization of collateral flow. This article discusses ASL findings in patients with acute stroke and TIA, focusing on typical appearances, common artifacts, and comparisons with PWI...
  6. ncbi Reduced field-of-view diffusion imaging of the human spinal cord: comparison with conventional single-shot echo-planar imaging
    G Zaharchuk
    Department of Radiology, Stanford University, California, USA
    AJNR Am J Neuroradiol 32:813-20. 2011
    ..We evaluated the performance of rFOV spinal cord DWI and compared it with the routine fFOV SS-EPI in a clinical population...
  7. ncbi Combined arterial spin label and dynamic susceptibility contrast measurement of cerebral blood flow
    Greg Zaharchuk
    Department of Radiology, Stanford University, Stanford, California 94305 5488, USA
    Magn Reson Med 63:1548-56. 2010
    ..These findings suggest that combining ASL and DSC perfusion measurements improves quantitative CBF measurements in patients with cerebrovascular disease...
  8. ncbi Improving dynamic susceptibility contrast MRI measurement of quantitative cerebral blood flow using corrections for partial volume and nonlinear contrast relaxivity: A xenon computed tomographic comparative study
    Greg Zaharchuk
    Department of Radiology, Stanford University, Stanford, California, USA
    J Magn Reson Imaging 30:743-52. 2009
    ....
  9. ncbi Arterial spin-label imaging in patients with normal bolus perfusion-weighted MR imaging findings: pilot identification of the borderzone sign
    Greg Zaharchuk
    Department of Radiology, Stanford University Medical Center, 1201 Welch Rd, PS 04, MC 5488, Stanford, CA 94305 5488, USA
    Radiology 252:797-807. 2009
    ..To determine whether perfusion abnormalities are depicted on arterial spin-labeling (ASL) images obtained in patients with normal bolus perfusion-weighted (PW) magnetic resonance (MR) imaging findings...
  10. ncbi Noninvasive imaging of quantitative cerebral blood flow changes during 100% oxygen inhalation using arterial spin-labeling MR imaging
    G Zaharchuk
    Department of Radiology, Stanford University, Stanford, CA 94305 5487, USA
    AJNR Am J Neuroradiol 29:663-7. 2008
    ..This study was performed to determine whether arterial spin-labeling (ASL), a noninvasive MR imaging technique, could image these changes with clinically reasonable imaging durations...
  11. ncbi Theoretical basis of hemodynamic MR imaging techniques to measure cerebral blood volume, cerebral blood flow, and permeability
    G Zaharchuk
    Neuroradiology Section, Stanford University Medical Center, Stanford, CA 94305 5487, USA
    AJNR Am J Neuroradiol 28:1850-8. 2007
    ....
  12. ncbi Perfusion MRI (Tmax and MTT) correlation with xenon CT cerebral blood flow in stroke patients
    J M Olivot
    Department of Neurology and Neurological Sciences and the Stanford Stroke Center, Stanford University Medical Center, 701 Welch Rd, Suite 325, Palo Alto, CA 94304, USA
    Neurology 72:1140-5. 2009
    ..The Improved PWI Methodology in Acute Clinical Stroke Study compares PWI findings with Xe-CT CBF values in patients experiencing symptomatic severe cerebral hypoperfusion...
  13. ncbi Comparative overview of brain perfusion imaging techniques
    M Wintermark
    Department of Radiology, Neuroradiology Section, University of California, 505 Parnassus Avenue, Room L358, Box 0628, San Francisco, CA 94143 0628, USA
    J Neuroradiol 32:294-314. 2005
    ..For clinicians, this paper should offers a clearer picture of the pros and cons of currently available brain perfusion imaging techniques, and assist them in choosing the proper method in every specific clinical setting...

Research Grants1

  1. Quantifying Collateral Perfusion in Cerebrovascular Disease
    GREGORY ZAHARCHUK; Fiscal Year: 2009
    ....