TimothyMichaelShepherdMD

PubMed

• Approximating anatomically-guided PET reconstruction in image space using a convolutional neural network.
  Georg Schramm, David Rigie, Thomas Vahle, Ahmadreza Rezaei, Koen Van Laere, Timothy M. Shepherd, Johan Nuyts, Fernando E. Boada> ;NeuroImage. 2021 Jan 1
• Improved Task-based Functional MRI Language Mapping in Patients with Brain Tumors through Marchenko-Pastur Principal Component Analysis Denoising.
  Benjamin Ades-Aron, Gregory Lemberskiy, Jelle Veraart, John G. Golfinos, Els Fieremans, Dmitry S. Novikov, Timothy M. Shepherd> ;Radiology. 2020 Dec 8
• Direct In Vivo MRI Discrimination of Brain Stem Nuclei and Pathways.
  Timothy M. Shepherd, Benjamin Ades-Aron, Mary Bruno, Heidi M. Schambra, Michael J. Hoch> ;American Journal of Neuroradiology. 2020 Apr 30
• Inner SPACE: 400-Micron Isotropic Resolution MRI of the Human Brain.
  Timothy M. Shepherd, Michael J. Hoch, Mary Bruno, Arline Faustin, Antonios Papaioannou, Stephen E. Jones, Orrin Devinsky, Thomas Wisniewski> ;Frontiers in Neuroanatomy. 2020 Mar 19
• 3T MRI Whole-Brain Microscopy Discrimination of Subcortical Anatomy, Part 2: Basal Forebrain.
  Hoch, M. J., Bruno, M. T., Faustin, A., Cruz, N., Mogilner, A. Y., Crandall, L., Wisniewski, T., Devinsky, O., Shepherd, T. M.> ;AJNR. American journal of neuroradiology. 2019 Jun 15
• Fingerprinting Orientation Distribution Functions in diffusion MRI detects smaller crossing angles.
  Baete, S. H.,Cloos, M. A.,Lin, Y. C.,Placantonakis, D. G.,Shepherd, T.,Boada, F. E.> ;Neuroimage. 2019 May 19
• Combined Use of Diffusion Tractography and Advanced Intraoperative Imaging for Resection of Cervical Intramedullary Spinal Cord Neoplasms: A Case Series and Technical ...
  Benjamin, C. G.,Frempong-Boadu, A.,Hoch, M.,Bruno, M.,Shepherd, T.,Pacione, D.> ;Oper Neurosurg (Hagerstown). 2019 Mar 21
• Spatial distribution of multiple sclerosis lesions in the cervical spinal cord.
  Eden, D.,Gros, C.,Badji, A.,Dupont, S. M.,De Leener, B.,Maranzano, J.,Zhuoquiong, R.,Liu, Y.,Granberg, T.,Ouellette, R.,Stawiarz, L.,Hillert, J.,Talbott, J.,Bannier, E...> ;Brain. 2019 Feb 05
• Accelerated Internal Auditory Canal Screening Magnetic Resonance Imaging Protocol With Compressed Sensing 3-Dimensional T2-Weighted Sequence.
  Yuhasz, M.,Hoch, M. J.,Hagiwara, M.,Bruno, M. T.,Babb, J. S.,Raithel, E.,Forman, C.,Anwar, A.,Thomas Roland, J.,Shepherd, T. M.> ;Invest Radiol. 2018 Jul 19
• Automatic segmentation of the spinal cord and intramedullary multiple sclerosis lesions with convolutional neural networks.
  Gros, C.,De Leener, B.,Badji, A.,Maranzano, J.,Eden, D.,Dupont, S. M.,Talbott, J.,Zhuoquiong, R.,Liu, Y.,Granberg, T.,Ouellette, R.,Tachibana, Y.,Hori, M.,Kamiya, K.,C...> ;Neuroimage. 2018 Oct 10
• Visual detection of regional brain hypometabolism in cognitively impaired patients is independent of positron emission tomography-magnetic resonance attenuation correc...
  Ana M. Franceschi, Valentino D. Abballe, Roy A. Raad, Aaron Nelson, Kimberly Jackson, James S. Babb, Thomas Vahle, Matthias Fenchel, Yiqiang Zhan, Gerardo Hermosillo V...> ;World journal of nuclear medicine. 2018 Jul 1
• Track density imaging of hypertrophic olivary degeneration from multiple sclerosis plaque.
  Hoch, M. J.,Chung, S.,Fatterpekar, G. M.,Kister, I.,Shepherd, T. M.> ;BJR Case Rep. 2016 Nov 02
• In Vivo Quantification of Demyelination and Recovery Using Compartment-Specific Diffusion MRI Metrics Validated by Electron Microscopy
  Timothy Shepherd, MD> ;ScienceDirect. 2016 Feb 16
• Accelerated and motion-robust in vivo T2 mapping from radially undersampled data using bloch-simulation-based iterative reconstruction.
  Ben-Eliezer, N.,Sodickson, D. K.,Shepherd, T.,Wiggins, G. C.,Block, K. T.> ;Magn Reson Med. 2015 Apr 22
• 4 citations
  New Clinically Feasible 3T MRI Protocol to Discriminate Internal Brain Stem Anatomy.
  Hoch, M. J., Chung, S., Ben-Eliezer, N., Bruno, M. T., Fatterpekar, G. M., Shepherd, T. M.> ;AJNR. American journal of neuroradiology. 2016 Feb 13
• Dixon sequence with superimposed model-based bone compartment provides highly accurate PET/MR attenuation correction of the brain
  Thomas Koesters, Kent Friedman, Matthias Fenchel, Yiqiang Zhan, Gerardo Hermosillo, James Babb, Ileana O. Jelescu, David Faul, Fernando E. Boada, Timothy M. Shepherd> ;The Journal of Nuclear Medicine. 2016 Feb 2
• Quantitative impact of Dixon μmap variability in dual-time-point brain PET/MR.
  Jackson, K.,Bartlett, R.,Friedman, K.,Shepherd, T.,Koesters, T.,Teruel, J.,Fenchel, M.,Hermosillova-Valadez, G.,Faul, D.,Boada, F.> ;EJNMMI Phys. 2016 Mar 10
• 1 citation
  Teaching NeuroImages: NMDA encephalomyelitis with MRI abnormalities isolated to ventral spinal cord gray matter.
  Zubkov, S., Aggarwal Joshi, P., Shepherd, T. M., Kothare, S. V.> ;Neurology. 2015 Aug 12
• Adult brain tumor imaging: state of the art.
  Bangiyev, L.,Rossi Espagnet, M. C.,Young, R.,Shepherd, T.,Knopp, E.,Friedman, K.,Boada, F.,Fatterpekar, G. M.> ;Semin Roentgenol. 2013 Dec 18
• Mean apparent propagator (MAP) MRI: A novel diffusion imaging method for mapping tissue microstructure.
  Ozarslan, E.,Koay, C. G.,Shepherd, T. M.,Komlosh, M. E.,Irfano?lu, M. O.,Pierpaoli, C.,Basser, P. J.> ;Neuroimage. 2013 Sep
• Diffusion tensor imaging and T(2) relaxometry of bilateral lumbar nerve roots: feasibility of in-plane imaging.
  Karampinos, D. C., Melkus, G., Shepherd, T. M., Banerjee, S., Saritas, E. U., Shankaranarayanan, A., Hess, C. P., Link, T. M., Dillon, W. P., Majumdar, S.> ;NMR Biomed. 2013 Jun
• Incidental Detection of Gastrointestinal Stromal Tumor by Tc-99m MDP Bone Scan.
  Shepherd, T.M., Idakoji, I.A., Pampaloni, M.H.> ;Clin Nucl Med. 2012 Feb
• Temporal scaling characteristics of diffusion as a new MRI contrast: Findings in rat hippocampus.
  Ozarslan, E., Shepherd, T.M., Koay, C.G., Blackband, S.J., Basser, P.J.> ;Neuroimage. 2012 Apr 2
• Aldehyde fixative solutions alter the water relaxation and diffusion properties of nervous tissue.
  Shepherd, T.M., Thelwall, P.E., Stanisz, G.J., Blackband, S.J.> ;Magn Reson Med. 2009-07-01
• Postmortem interval alters the water relaxation and diffusion properties of rat nervous tissue--implications for MRI studies of human autopsy samples.
  Shepherd, T.M., Flint, J.J., Thelwall, P.E., Stanisz, G.J., Mareci, T.H., Yachnis, A.T., Blackband, S.J.> ;Neuroimage. 2009-02-01
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