Boris Keil

Summary

Affiliation: Harvard University
Country: USA

Publications

  1. pmc A 64-channel 3T array coil for accelerated brain MRI
    Boris Keil
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA
    Magn Reson Med 70:248-58. 2013
  2. pmc Massively parallel MRI detector arrays
    Boris Keil
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
    J Magn Reson 229:75-89. 2013
  3. pmc Size-optimized 32-channel brain arrays for 3 T pediatric imaging
    Boris Keil
    Department of Radiology, Massachusetts General Hospital, AA Martinos Center for Biomedical Imaging, Charlestown, Massachusetts 02129, USA
    Magn Reson Med 66:1777-87. 2011
  4. pmc A 20-channel receive-only mouse array coil for a 3 T clinical MRI system
    Boris Keil
    Department of Diagnostic Radiology, University Hospital, Philipps University, Marburg, Germany
    Magn Reson Med 66:584-95. 2011
  5. pmc A 32-channel combined RF and B0 shim array for 3T brain imaging
    Jason P Stockmann
    Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA
    Magn Reson Med 75:441-51. 2016
  6. ncbi Nineteen-channel receive array and four-channel transmit array coil for cervical spinal cord imaging at 7T
    Wei Zhao
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA Harvard Medical School, Boston, Massachusetts, USA
    Magn Reson Med 72:spcone. 2014
  7. pmc DTI and VBM reveal white matter changes without associated gray matter changes in patients with idiopathic restless legs syndrome
    Marcus Belke
    Department of Neurology, Philipps University Marburg Baldingerstrasse, Marburg, 35043, Germany
    Brain Behav 5:e00327. 2015
  8. pmc Nineteen-channel receive array and four-channel transmit array coil for cervical spinal cord imaging at 7T
    Wei Zhao
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA Harvard Medical School, Boston, Massachusetts, USA
    Magn Reson Med 72:291-300. 2014
  9. pmc Feasibility of using linearly polarized rotating birdcage transmitters and close-fitting receive arrays in MRI to reduce SAR in the vicinity of deep brain simulation implants
    Laleh Golestanirad
    Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
    Magn Reson Med . 2016
  10. pmc The pulsatility volume index: an indicator of cerebrovascular compliance based on fast magnetic resonance imaging of cardiac and respiratory pulsatility
    Marta Bianciardi
    Department of Radiology, Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Building 149, 13th Street, Charlestown, Boston, MA 02129, USA
    Philos Trans A Math Phys Eng Sci 374:. 2016

Collaborators

Detail Information

Publications26

  1. pmc A 64-channel 3T array coil for accelerated brain MRI
    Boris Keil
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA
    Magn Reson Med 70:248-58. 2013
    ..2- and 1.4-fold higher, respectively, compared to the 32-channel array. The characteristics of the coil are demonstrated in accelerated brain imaging...
  2. pmc Massively parallel MRI detector arrays
    Boris Keil
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
    J Magn Reson 229:75-89. 2013
    ....
  3. pmc Size-optimized 32-channel brain arrays for 3 T pediatric imaging
    Boris Keil
    Department of Radiology, Massachusetts General Hospital, AA Martinos Center for Biomedical Imaging, Charlestown, Massachusetts 02129, USA
    Magn Reson Med 66:1777-87. 2011
    ..This study suggests that a size-tailored approach can provide significant sensitivity gains for accelerated and unaccelerated pediatric brain imaging...
  4. pmc A 20-channel receive-only mouse array coil for a 3 T clinical MRI system
    Boris Keil
    Department of Diagnostic Radiology, University Hospital, Philipps University, Marburg, Germany
    Magn Reson Med 66:584-95. 2011
    ..G-factor measurements indicate that the coil is well suited to acquire highly accelerated images...
  5. pmc A 32-channel combined RF and B0 shim array for 3T brain imaging
    Jason P Stockmann
    Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA
    Magn Reson Med 75:441-51. 2016
    ..We add user-controllable direct currents (DC) to the individual elements of a 32-channel radio-frequency (RF) receive array to provide B0 shimming ability while preserving the array's reception sensitivity and parallel imaging performance...
  6. ncbi Nineteen-channel receive array and four-channel transmit array coil for cervical spinal cord imaging at 7T
    Wei Zhao
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA Harvard Medical School, Boston, Massachusetts, USA
    Magn Reson Med 72:spcone. 2014
    ..To design and validate a radiofrequency (RF) array coil for cervical spinal cord imaging at 7T...
  7. pmc DTI and VBM reveal white matter changes without associated gray matter changes in patients with idiopathic restless legs syndrome
    Marcus Belke
    Department of Neurology, Philipps University Marburg Baldingerstrasse, Marburg, 35043, Germany
    Brain Behav 5:e00327. 2015
    ..We evaluated cerebral white and gray matter changes in patients with iRLS in order to shed light on the pathophysiology of this disease...
  8. pmc Nineteen-channel receive array and four-channel transmit array coil for cervical spinal cord imaging at 7T
    Wei Zhao
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA Harvard Medical School, Boston, Massachusetts, USA
    Magn Reson Med 72:291-300. 2014
    ..To design and validate a radiofrequency (RF) array coil for cervical spinal cord imaging at 7T...
  9. pmc Feasibility of using linearly polarized rotating birdcage transmitters and close-fitting receive arrays in MRI to reduce SAR in the vicinity of deep brain simulation implants
    Laleh Golestanirad
    Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
    Magn Reson Med . 2016
    ..This study demonstrates the feasibility of using a rotating linearly polarized birdcage transmitter and a 32-channel close-fit receive array to significantly reduce local SAR in MRI of DBS patients...
  10. pmc The pulsatility volume index: an indicator of cerebrovascular compliance based on fast magnetic resonance imaging of cardiac and respiratory pulsatility
    Marta Bianciardi
    Department of Radiology, Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Building 149, 13th Street, Charlestown, Boston, MA 02129, USA
    Philos Trans A Math Phys Eng Sci 374:. 2016
    ..In summary, we characterized and performed an initial validation of a novel MRI indicator of cerebrovascular compliance, which might prove useful to investigate brain-heart interactions in cerebrovascular disease and other disorders...
  11. pmc MGH-USC Human Connectome Project datasets with ultra-high b-value diffusion MRI
    Qiuyun Fan
    Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Harvard Medical School, Massachusetts General Hospital, 149 13th Street, Charlestown 02129, MA, USA
    Neuroimage 124:1108-14. 2016
    ..We conclude with a demonstration of the example data, along with results of standard diffusion analyses, including q-ball Orientation Distribution Function (ODF) reconstruction and tractography...
  12. pmc The Human Connectome Project and beyond: initial applications of 300 mT/m gradients
    Jennifer A McNab
    Department of Radiology, Stanford University, RM Lucas Center for Imaging, Stanford, CA, USA
    Neuroimage 80:234-45. 2013
    ....
  13. pmc Normal regional brain iron concentration in restless legs syndrome measured by MRI
    Susanne Knake
    Department of Neurology, Center of Nervous Diseases, Marburg, Germany
    Nat Sci Sleep 2:19-22. 2010
    ..We could not replicate earlier findings describing reduced regional brain iron concentrations in patients with RLS. Our results do not support the view of substantially impaired regional brain iron in RLS...
  14. pmc Intracortical depth analyses of frequency-sensitive regions of human auditory cortex using 7TfMRI
    Jyrki Ahveninen
    Harvard Medical School Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA Electronic address
    Neuroimage 143:116-127. 2016
    ....
  15. doi A 22-channel receive array with Helmholtz transmit coil for anesthetized macaque MRI at 3 T
    Thomas Janssens
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA Laboratory for Neuro and Psychophysiology, K U Leuven Medical School, Campus Gasthuisberg, Leuven, Belgium
    NMR Biomed 26:1431-40. 2013
    ..Finally, the performance of the array for functional, anatomical and diffusion-weighted imaging was evaluated. For all three modalities, the use of the 22-channel array allowed for high-resolution and accelerated image acquisition...
  16. doi The presence of iodinated contrast agents amplifies DNA radiation damage in computed tomography
    Caroline Pathe
    Department of Diagnostic Radiology, Philipps University, Marburg, Germany
    Contrast Media Mol Imaging 6:507-13. 2011
    ..Individual patient characteristics and biological dosimetry applications, e.g. the analysis of γH2Ax-foci, have to be considered...
  17. doi Determination of hemispheric dominance with mental rotation using functional transcranial Doppler sonography and FMRI
    Katja Hattemer
    Department of Neurology, Interdisciplinary Epilepsy Center, Philipps University Marburg, Marburg, Germany
    J Neuroimaging 21:16-23. 2011
    ....
  18. pmc Construction and modeling of a reconfigurable MRI coil for lowering SAR in patients with deep brain stimulation implants
    Laleh Golestanirad
    Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Boston, MA, USA Harvard Medical School, Boston, MA, USA
    Neuroimage . 2016
    ..More data is needed to quantify safety limits and recommend imaging protocols before the novel coil system can be used on patients with DBS implants...
  19. pmc A 31-channel MR brain array coil compatible with positron emission tomography
    Christin Y Sander
    Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA
    Magn Reson Med 73:2363-75. 2015
    ..This constraint is the principal barrier to achieving optimum sensitivity on each modality. Here, we present a 31-channel PET-compatible brain array coil with reduced attenuation but improved MR sensitivity...
  20. pmc Investigating the capability to resolve complex white matter structures with high b-value diffusion magnetic resonance imaging on the MGH-USC Connectom scanner
    Qiuyun Fan
    1 Department of Radiology, Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, Massachusetts
    Brain Connect 4:718-26. 2014
    ..Results indicate that dMRI with high diffusion encoding on the Connectom system is a promising tool to better characterize, and ultimately understand, the underlying structural organization and motifs in the human brain...
  21. pmc SAR reduction in 7T C-spine imaging using a "dark modes" transmit array strategy
    Yigitcan Eryaman
    Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA Madrid MIT M Vision Consortium, Madrid, Spain
    Magn Reson Med 73:1533-9. 2015
    ..We show that adding dipole elements oriented orthogonal to their conventional orientation to a linear array of conventional loop elements can lower the local SAR hotspot in a C-spine array at 7 T...
  22. doi 7-T MRI of the spinal cord can detect lateral corticospinal tract abnormality in amyotrophic lateral sclerosis
    Julien Cohen-Adad
    AA Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA
    Muscle Nerve 47:760-2. 2013
    ..Degeneration of the lateral corticospinal tract (CST) is a key finding in ALS cervical spinal cord autopsies. We hypothesized that in vivo ultra-high-field MRI of the cervical spinal cord can detect abnormality in the CST...
  23. ncbi 3.0 T plaque imaging
    Denise P Hinton-Yates
    Department of Radiology, MGH MIT HMS Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA 02129, USA
    Top Magn Reson Imaging 18:389-400. 2007
    ..The overall endeavor is to improve prospective assessment of atherosclerosis stage and stability for reduction of atherothrombotic event risk...
  24. doi Irradiation-dependent effects on tumor perfusion and endogenous and exogenous hypoxia markers in an A549 xenograft model
    Emmanouil Fokas
    Department of Radiotherapy and Radiation Oncology, University Hospital Marburg, Medical Faculty of Philipps University, Marburg, Germany
    Int J Radiat Oncol Biol Phys 77:1500-8. 2010
    ..We analyzed IR-dependent changes in hypoxia and perfusion in A549 human lung adenocarcinoma xenografts...
  25. doi Accuracy of MRI volume measurements of breast lesions: comparison between automated, semiautomated and manual assessment
    Marga B Rominger
    Department of Radiology, Philipps University, Baldingerstrasse, 35033 Marburg, Germany
    Eur Radiol 19:1097-107. 2009
    ..9%), MVM (2.3 +/- 38.2% and 8.6 +/- 31.8%) and MDM (33.9 +/- 128.4% and 9.3 +/- 55.9%). SAVM is more accurate for volume assessment of breast lesions than MDM and AVM. Volume measurement is less accurate for malignant than benign lesions...
  26. pmc Diffusion tensor imaging in idiopathic REM sleep behavior disorder reveals microstructural changes in the brainstem, substantia nigra, olfactory region, and other brain regions
    Marcus M Unger
    Department of Neurology, Philipps Universitat Marburg, Marburg, Germany
    Sleep 33:767-73. 2010
    ....