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INTRODUCTION TO MRI

INTRODUCTION TO MRI. Day & Time: Thursday 6 to 8:30 pm Instructor: Y. Vince Chang East Building 3411, 434-249-1102 ychang@wustl.edu Text book: MRI: Basic Principles and Applications Reference: MRI: The Basics Online resource: The Basics of MRI Books recommended; not required to buy.

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INTRODUCTION TO MRI

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  1. INTRODUCTION TO MRI • Day & Time: Thursday 6 to 8:30 pm • Instructor: Y. Vince Chang • East Building 3411, 434-249-1102 • ychang@wustl.edu • Text book: MRI: Basic Principles and Applications • Reference: MRI: The Basics • Online resource: The Basics of MRI • Books recommended; not required to buy

  2. INTRODUCTION TO MRI (Cont’d) • Grading: Homework: 30%, Mid-term exam: 30%, Final exam: 30%. Attendance: 10% • Please notice if to be absent • Course Objectives: • Basic Principles of MRI • Applications in medicine • Contrast mechanisms • Different techniques for different needs • Non-calculus based; semi-quantitative • ISMRM talks will be used

  3. Applications of MRI Images from: JBM Warntyes (newsroom.spectra.com); University of Cambridge; Bookheimer et al. New England Journal of Medicine; www.sanpatriciomrict.com

  4. Applications (cont’d)

  5. Overview of MRI • Number of MRI scans: ~ 28,000,000 in US in 2009 • Costs • Whole body MRI scanner: ~ 2M • Patient scan: ~ $1000/hr • Economic impact: ~ 20 Billion a year • Highly Interdisciplinary • Physics: basic principles • Chemistry: material properties • Engineering: fast imaging, better contrasts • Mathematics & Statistics: image analysis (e.g., segmentation), image formation • Biology & Medicine: go figure

  6. Overview of MRI • Number of MRI scans: ~ 28,000,000 in US in 2009 • Costs • Whole body MRI scanner: ~ 2M • Patient scan: ~ $1000/hr • Economic impact: ~ 20 Billion a year • Highly Interdisciplinary • Physics: basic principles • Chemistry: material properties • Engineering: fast imaging, better contrasts • Mathematics & Statistics: image analysis (e.g., segmentation), image formation • Biology & Medicine: go figure

  7. Overview of MRI • Number of MRI scans: ~ 28,000,000 in US in 2009 • Costs • Whole body MRI scanner: ~ 2M • Patient scan: ~ $1000/hr • Economic impact: ~ 20 Billion a year • Highly Interdisciplinary • Physics: basic principles • Chemistry: material properties • Engineering: fast imaging (sampling); RF coil • Mathematics & Statistics: image analysis (e.g., segmentation), image formation • Biology & Medicine: go figure

  8. MRI Scanner http://www.orthopaedics.com.sg/treatments/magnetic-resonance-imaging-mri

  9. Advantages and Pitfalls • Non-invasive • Safe – no ionized radiation • Versatile – Many contrast mechanisms But • Slow in general • Expensive: ~ $1000/hr

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