Diffusion ADC and Tensor Analysis
Hall 4
W ednesday: 13:30 - 15:30
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1510.
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Developing a Quality Control Program for Diffusion Weighted Imaging.
Ioannis Delakis1, Elizabeth Moore2, Janet De Wilde1, Martin Leach2
1Imperial College of Science, Technology and Medicine, University of London, MagNET, London, England, UK; 2Royal Marsden Hospital, Sutton, Surrey, England, UK.
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1511.
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Effect of Magnetic Field Gradients Induced by Microvasculature on NMR Measurements of Diffusion Coefficient
Valerij G. Kiselev1
1Freiburg University Hospital, Freiburg, Germany.
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1512.
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Tissue Characterization with Chi2 Maps of Monoexponential Diffusion Signal Fits
Hatsuho Mamata1, Ferenc Jolesz1, Robert Mulkern2, Stephan Maier1
1Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA; 2Harvard University, The Children's Hospital, Boston, MA, USA.
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1513.
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High B Value Diffusion MR Imaging: A Comparison of Apparent Diffusion Coefficients (ADCs) Values Between Two-point and Multi-point Analyses
Hitoshi Kubo1, Masayuki Maeda2, Kenichirou Yata3, Makoto Hayashi2, Hajime Sakuma2, Kan Takeda2
1The University of Tokushima, School of Medical Sciences, Tokushima, Tokushima, Japan; 2Mie University School of Medicine, Tsu, Mie, Japan; 3Akita Research Institute of Brain and Blood Vessels, Akita, Akita, Japan.
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1514.
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Observation of Multi-Exponential Decaying Behavior on Diffusion-Weighted Images with High B Values: Effects of Neural Fiber Orientations and Selection of the Regions of Interest
Wen-Chau Wu1, Kuo-Hiang Kao1, Ping-Hong Lai2, Cheng-Yu Chen3, Hsiao-Wen Chung1
1National Taiwan University, Taipei, Taiwan, ROC; 2Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, ROC; 3TriService General Hospital, Taipei, Taiwan, ROC.
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1515.
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ADC Measurements in a Rat Model with Compartmental Geometric Considerations at 3T
Kevin Bennett1, R. W. Cox1, H. Lu1, Kathleen (Donahue) Schmainda1, R. Bennett1, James Hyde1
1Medical College of Wisconsin, Milwaukee, WI, USA.
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1516.
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Feasibility of Measuring Axon Size in the Rat Spinal Cord by q-Space Imaging: Effects of Membrane Permeability and Cell Size Distribution
Chih-Liang Chin1, Felix Wehrli1, Scott N. Hwang1, David Hackney1, Suzanne L. Wehrli2
1University of Pennsylvania, Philadelphia, PA USA; 2Children's Hospital of Pennsylvania, Philadelphia, PA, USA.
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1517.
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MR Microscopy Studies of the Appearance of the Multiexponential Diffusion in a Rat Spinal Cord In Vitro.
Wladyslaw Piotr Weglarz1, Andrzej Jasinski1, Joanna Pindel1, Dariusz Adamek2, Piotr Kulinowski1, Tomasz Skorka1
1H. Niewodniczanski Institute of Nuclear Physics, Kraków, Poland; 2Collegium Medicum, Jagiellonian University, Kraków, Poland.
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1518.
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Diffusion MR Studies Characterize Axonal Degeneration and Dieback in the Injured Larval Sea Lamprey Spinal Cord
Masaya Takahashi1, G. Zhang1, M. E. Selzer1, Felix Wehrli1, S. L. Wehrli2, David Hackney1
1University of Pennsylvania Medical Center, Philadelphia, PA, USA; 2Children's Hospital of Philadelphia, Philadelphia, PA, USA.
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1519.
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Fiber-Tracking of Human Brainstem: Validity, Reproducibility, and Tract Properties
Susumu Mori1, Bram Stieltjes1, Peter C. Van Zijl1, Godfrey D. Pearlson2, Meiyappan Solaiyappan2, Walter Erwin Kaufmann1
1Johns Hopkins University, School of Medicine, and F.M.Kirby Research Center, Kennedy Krieger Institute, Baltimore, MD, USA; 2Johns Hopkins University, School of Medicine, Baltimore, MD USA,
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1520.
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An Algorithm for White Matter Connectivity in the Human Brain Using Projected Diffusion Tensor Distance
Tetsuo Sato1, Khader Hasan2, Andrew Alexander2
1Nara Institute of Science and Technology, Ikoma, Japan; 2University of Utah, Salt Lake City, UT, USA.
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1521.
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Limitations and Requirements of Diffusion Tensor Fibre-Tracking: Assessment using Simulations
Jacques-Donald Tournier1, Fernando Calamante1, M. D. King1, David Gadian2, Alan Connelly3
1Institute of Child Health, London, England, UK; 2Institute of Child Health, Royal College of Surgeons, London, England, UK; 3Great Ormond Street Hospital for Children, London, England, UK.
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1522.
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A Probabilistic Map Approach for the Analysis of DTI-based Fiber Tracking and its Application to White Matter Injuries
Susumu Mori1, Christos Davatzikos2, Dongrong Xu2, Laura Amodei2, Kim Fredericksen1, Meiyappan Solaiyappan2, Peter C. Van Zijl1
1Johns Hopkins University, School of Medicine and F.M.Kirby Research Center, Kennedy Krieger Institute, Baltimore, MD, USA; 2Johns Hopkins University, School of Medicine, Baltimore, MD, USA.
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1523.
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Two Directional Method to Identify White Matter Tracts for Patients with Brain Tumors
Wen-Ching Liu1, Martin D. Ollenschleger1, Andrei I. Holodny1
1University of Medicine and Dentistry of New Jersey, New Jersey Medical School, Newark, NJ, USA.
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1524.
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A Comparison of 'Goodness' Metrics for Use with Fast Marching Tractography
Geoffrey Parker1
1Institute of Neurology, London, England, UK.
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1525.
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Investigation of Spinal Cord Nervous Tracts using Diffusion Tensor Imaging in a Rat Model of Spinal Cord Injury.
Andrzej Jasiñski1, Artur Krzyzak1, Joanna Pindel1, Dariusz Adamek2, Wladyslaw P. Weglarz1, Andrzej Urbanik2
1H.Niewodniczanski Institute of Nuclear Physics, Kraków, Poland; 2Medical College Jagiellonian University, Kraków, Poland.
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1526.
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Decreased Diffusion Anisotropy of the Hippocampus in Schizophrenic Patients: Diffusion Tensor MR Study
Haruyasu Yamada1, Osamu Abe2, Kiyoto Kasai1, Noriomi Kuroki1, Hidenori Yamasue1, Toshiyuki Okubo3, Takeharu Yoshikawa4, Naoto Hayashi1, Shigeki Aoki5, Hiroyuki Kabasawa6, Kuni Ohtomo1
1University of Tokyo, Tokyo, Japan; 2Faculty of Medicine, Tokyo, Japan; 3Yamanashi Medical University, Yamanashi Japan; 4Tokyo University, Tokyo, Tokyo Japan; 5University of Tokyo Branch Hospital, Tokyo, Japan; 6GE Yokogawa Medical Systems, Tokyo, Japan.
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1527.
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Bootstrap Analysis of DT-MRI Tractography Techniques: Streamlines and Tensorlines
Mariana Lazar1, Khader M. Hasan1, Andrew Alexander1
1University of Utah, Salt Lake City, UT, USA.
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1528.
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Orientational Diffusion Reflects Fiber Structure within a Voxel
Elisabeth Von Dem Hagen1, R. Mark Henkelman1
1University of Toronto, Sunnybrook and Women's College Health Sciences Centre, Toronto, Ontario, Canada.
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1529.
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Solving the Diffusion Equation for Fiber Tracking in the Living Human Brain
Daniel Gembris1, Helmut Schumacher2, Dieter Suter3
1Research Center Jülich, Jülich, Germany, Institute of Medicine and 2Central Institute for Applied Mathematics; 3University of Dortmund, Dortmund, Germany.
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1530.
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Tracking, Bundling and Quantitatively Characterizing In Vivo Neuronal Fiber Pathways Using Diffusion Tensor Magnetic Resonance Imaging
Zhaohua Ding1, John C. Gore1, Adam W. Anderson1
1Yale University, School of Medicine, New Haven, CT, USA.
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1531.
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Characterization of Anisotropy in High Angular Resolution Diffusion Weighted MRI
Lawrence Frank1
1University of California, San Diego, VA Medical Center, San Diego, CA, USA.
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1532.
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Automated White Matter Delineation Tools Based On Diffusion Tensor Imaging
Kim Fredericksen1, Laura Amodei2, Walter Erwin Kaufmann1, Peter C. Van Zijl1, Godfrey D. Pearlson2, Susumu Mori1
1Johns Hopkins University, School of Medicine and F.M.Kirby Research Center, Kennedy Krieger Institute, Baltimore, MD, USA; 2Johns Hopkins University, School of Medicine, Baltimore, MD, USA.
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1533.
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Reconstructing Three-Dimensional White Matter Tracts in the Human Brain Using the Level Set Approach
Albert C.S. Chung1, Paul Armitage1, J. Alison Noble1, Michael Brady1
1University of Oxford, Oxford, England, UK.
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1534.
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Visualizing White Matter Tract Directionality in Two-Dimension
Chung-Yi Hong1, Sheng-Kwei Song2
1Emory University, School of Medicine, Atlanta, GA, USA; 2Washington University, St. Louis, MO, USA.
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1535.
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A Continuous Tensor Field Approximation for DT-MRI Data
Sinisa Pajevic1, Peter J. Basser1, Akram Aldroubi2
1National Institutes of Health, Bethesda, MD, USA; 2Vanderbilt University, Nashville, TN, USA.
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1536.
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Independent Component Analysis Applied to Diffusion Tensor MRI
K. Arfanakis1, D. Cordes1, V. Haughton1, J.D. Carew1, M.E. Meyerand1
1University of Wisconsin, Madison, WI, USA.
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1537.
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Exploration of b-Space for Diffusion Tensor Imaging of Human Brain
Ibrahim Elshafiey1, Ponnada Aswadha Narayana1
1University of Texas - Houston Health Science Center, Houston, TX,, USA.
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1538.
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Improving Relative Anisotropy Measurement using Directional Correlation of Eigenvectors
Shu-Wei Sun1, Sheng-Kwei Song2, Chung-Yi Hong3, Woei Chyn Chu1, Chen Chang4
1National Yang-Ming University, Taipei, Taiwan; 2Washington University, St. Louis, MO, USA; 3Emory University, Atlanta, GA, USA; 4Academia Sinica, Taipei, Taiwan.
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1539.
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A Novel Propagator Approach for NMR Signal Attenuation Due to Anisotropic Diffusion under Various Magnetic Field Gradients
Zhong Chen1, Guoxing Lin2, Jianhui Zhong1
1University of Rochester, Rochester, NY, USA; 2Xiamen University, Xiamen, Fujian, P.R. China,
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1540.
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The Distribution of Currents Induced in the Brain by Magnetic Stimulation: A Finite Element Analysis Incorporating DT-MRI-derived Conductivity Data
Pedro C Miranda1, Sinisa Pajevic2, Carlo Pierpaoli2, Mark Hallett2, Peter J. Basser2
1University of Lisbon, Lisbon, Portugal; 2National Institutes of Health, Bethesda, MD, USA.
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