Online Registry Prep - CT Course Outline

1. System Operation and Components

  • Computed Tomography Defined
  • Overview of CT System Components
  • CT Scanner Designs Including Multi-Row Detector, Electron Beam, PET/CT Scanners and Cone Beam CT in Oncology
    Operator's Console
  • Host Computer
  • The Gantry
  • Patient Table
  • The CT X-ray Tube
  • Review of X-ray Production
  • Collimation
  • Detectors: Composition, Function, Single and Multi-Row
  • Array Processor
  • Picture Archiving and Communication System
  • Networks, DICOM

2. CT Image Formation

  • Overview of a Digital Image
  • The Digital CT Image
  • Scanning Methods
  • Localizer Scan
  • Conventional Serial CT Scan
  • Single-row Detector CT Scanners
  • Multi-row Detector Scanners
  • Helical Scan
  • Image Reconstruction Including Back Projection, Convolution and Cone Beam Reconstruction
  • Retrospective Reconstruction
  • Multiplanar Reconstruction
  • 3D Shaded Surface Display
  • Volume Rendering
  • Maximum Intensity Projection
  • Filming and Archiving

3. CT Image Quality

  • Spatial Resolution, Temporal Resolution, Contrast, Noise, Dose
  • Linear Attenuation Coefficient
  • CT Number
  • mAs
  • kVp
  • Slice Thickness on Single-row and Multi-row Detector Scanners
  • Table Increment
  • Pitch
  • Reconstruction Interval
  • Field-of-View (scan, reconstruction, display)
  • Matrix
  • Magnification
  • Window Width and Window Level
  • Quality Assurance

4. Patient Handling and Safety

  • Ethical and Legal Issues
  • Patient Education and Preparation
  • Patient Screening
  • Lab Values
  • Radiation Safety and Measuring Radiation Dose
  • Ways to Minimize Patient Dose
  • Patient Monitoring and Code Procedures
  • Vital Signs
  • Infection Control