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Skeletal Anatomy in Densitometry

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Bone Densitometry for Technologists

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Abstract

Densitometry is primarily a quantitative measurement technique rather than a skeletal imaging technique. Nevertheless, there are unique aspects of skeletal anatomy in densitometry that must be appreciated to properly utilize the technology and interpret the quantitative results as well as the skeletal images. Some of these issues are discussed again in conjunction with performing the various studies in Chap. 4.

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Notes

  1. 1.

     VFA imaging, as discussed in Chap. 13, was not available at the time of this study.

  2. 2.

    This is not the same grading system as now used to quantify aortic calcification on plain films or lateral DXA images of the spine. See Chap. 13 for a discussion of the 24-point and 8-point grading systems in use today.

  3. 3.

     See Chap. 6 for a discussion of spine phantoms, including the Hologic spine phantom.

  4. 4.

    Although a mathematical conversion of 1/3 to a percentage would result in a value of 33.3 %, the site when named as a percentage is called the 33 % site and is located on the radius or forearm at a location that represents 33 %, not 33.3 %, of the length of the ulna.

  5. 5.

     See Chap. 1 for a discussion of radiographic photodensitometry, radiographic absorptiometry, and computerized radiogrammetry.

  6. 6.

     The calcaneus is also commonly known as the os calcis or heel.

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Authors and Affiliations

  1. Clinical Research Center of North Texas, Denton, TX, USA

    Sydney Lou Bonnick MD, FACP, CCD & Lori Ann Lewis MRT, CDT

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  1. Sydney Lou Bonnick MD, FACP, CCD
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  2. Lori Ann Lewis MRT, CDT
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Bonnick, S.L., Lewis, L.A. (2013). Skeletal Anatomy in Densitometry. In: Bone Densitometry for Technologists. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-3625-6_3

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  • DOI: https://doi.org/10.1007/978-1-4614-3625-6_3

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