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  1. Home
  2. Imaging Techniques
  3. Imaging

Imaging

  • A 12-bit display?
  • By convention, how are axial images viewed?
  • By convention, how are coronal images viewed?
  • By convention, how are sagittal images viewed?
  • Does a higher lp/mm mean higher or lower resolution?
  • How are they measured?
  • How does increasing the FOV change the image (matrix constant)?
  • How does increasing the matrix size change the image (FOV constant)?
  • How is the in-plane pixel size (d) related to the FOV and the digital matrix size (N)?
  • How many different shades of gray (levels) may be displayed in an image?
  • What are the advantages and disadvantages of having more gray levels?
  • What are the two types of resolution?
  • What is a pixel?
  • What is a voxel?
  • What is the approximate resolution of CT scans?
  • What is the approximate resolution of MRI scans?
  • What is the approximate resolution of Nuclear medicine/
  • What is the approximate resolution of a fluoroscopic image?
  • What is the approximate resolution of general purpose x-ray?
  • What is the approximate resolution of mammography?
  • What is the approximate resolution of utrasonograms?
  • What is the field of view (FOV)?
  • What is the matrix size?
  • What planes are routinely used in medical imaging?
  • Why is such a high resolution required for mammography?

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