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Medical Imaging Modalities and Digital Images

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Abstract

Medical imaging technologies enable views of the internal structure and function of the human body. Information obtained from the various modalities can be used to diagnose abnormalities, guide therapeutic procedures, and monitor disease treatment.

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Suggested Reading

  • Brown BH, Smallwood RH, Barber DC, Lawford PV, Hose DR. Medical Physics and Biomedical Engineering. London: Institute of Physics Publishing; 1999.

    Google Scholar 

  • Gonzalez RC, Woods RE. Digital Image Processing. Reading, MA: Addison-Wesley Publishing Co.; 1993.

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  • Rosenfeld A, Kak AC. Digital Picture Processing. San Diego, CA: Academic Press, Inc.; 1982.

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  • Webb A. Introduction to Biomedical Imaging. Hoboken, NJ: John Wiley & Sons, Inc.; 2003.

    Google Scholar 

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Author information

Authors and Affiliations

  1. Harvard Medical School; Assistant Medical Director of Medical Imaging Information Technologies, Brigham and Women´s Hospital; Center for Evidence-Based Imaging, Boston, MA, USA

    Katherine P. Andriole PhD, FSIIM (Associate Professor of Radiology)

Authors
  1. Katherine P. Andriole PhD, FSIIM
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Editor information

Editors and Affiliations

  1. Informatics in Medicine, Society for Imaging, Golf Vista Plaza 19440, Leesburg, 20176, U.S.A.

    Barton F. Branstetter

Self-Assessment Questions

Self-Assessment Questions

  1. 1.

    Which of the following is the most significant source of artifact in medical images?

    1. a.

      Human variability

    2. b.

      Patient positioning

    3. c.

      X-ray dose

    4. d.

      Subject motion

    5. e.

      Safety considerations

  2. 2.

    Which of the following imaging modalities use ionizing radiation as its source?

    1. a.

      Magnetic Resonance Imaging

    2. b.

      Computed Tomography

    3. c.

      Ultrasound imaging

    4. d.

      All of the above

    5. E.

      None of the above

  3. 3.

    Which of the following modality is most affected by the skill of the operator?

    1. a.

      Projection radiography

    2. b.

      Ultrasound

    3. c.

      Computed Tomography

    4. d.

      Magnetic Resonance Imaging

    5. e.

      Positron Emission Tomography

  4. 4.

    In the formation of a digital image, sampling affects which of the following?

    1. a.

      Visible fine detail

    2. b.

      Image matrix size

    3. c.

      Spatial resolution

    4. d.

      All of the above

    5. e.

      None of the above

  5. 5.

    Which imaging modality provides higher spatial resolution?

    1. a.

      Chest radiograph

    2. b.

      Chest CT

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© 2009 Society for Imaging Informatics in Medicine

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Cite this chapter

Andriole, K.P. (2009). Medical Imaging Modalities and Digital Images. In: Branstetter, B. (eds) Practical Imaging Informatics. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-0485-0_1

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  • DOI: https://doi.org/10.1007/978-1-4419-0485-0_1

  • Published:

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4419-0483-6

  • Online ISBN: 978-1-4419-0485-0

  • eBook Packages: MedicineMedicine (R0)

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