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Computed Tomography

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Abstract

Computed tomography (CT) uses ionizing radiation to create a cross-sectional image. This allows visualization of a greater variety of tissue structures beyond the four basic densities (air, bone, soft tissue, and fat) that are seen on a conventional radiograph. Unlike conventional X-rays, which utilize one projection to form an image, CT uses ­multiple small projections across the body and combines the information to form the image. It is this combining of the images that allows greater soft tissue detail to be displayed.

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Authors and Affiliations

  1. Pennsylvania State College of Medicine, Penn State Hershey Medical Center, Hershey, PA, USA

    Harjit Singh MD, FSIR (Professor of Radiology, Surgery, and Medicine Director of Education, Penn State Heart and Vascular Institute Fellowship Director, Cardiovascular and Interventional Radiology)

  2. Pennsylvania State College of Medicine, Penn State Hershey Medical Center, Hershey, PA, USA

    Janet A Neutze MD (Associate Professor of Radiology Associate Division Chief, Ultrasound Co-director, Radiology Medical Student Education Program)

Authors
  1. Harjit Singh MD, FSIR
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  2. Janet A Neutze MD
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Corresponding author

Correspondence to Harjit Singh MD, FSIR .

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Editors and Affiliations

  1. Penn State Milton S. Hershey Medical Cen, University Drive 500, Hershey, 17033, Pennsylvania, USA

    Harjit Singh

  2. Penn State Milton S. Hershey Medical Cen, University Drive 500, Hershey, 17033, Pennsylvania, USA

    Janet A. Neutze

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© 2012 Springer Science+Business Media, LLC

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Singh, H., Neutze, J.A. (2012). Computed Tomography. In: Singh, H., Neutze, J. (eds) Radiology Fundamentals. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0944-1_5

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  • DOI: https://doi.org/10.1007/978-1-4614-0944-1_5

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4614-0943-4

  • Online ISBN: 978-1-4614-0944-1

  • eBook Packages: MedicineMedicine (R0)

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