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Thyroid Ultrasound Physics

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Thyroid Ultrasound and Ultrasound-Guided FNA

Abstract

Sound transmission is dependent on the conducting medium. Sound is reflected at interfaces of mismatch of acoustic impedance. The resolution of an ultrasound image is dependent on the frequency, the focused beam width, and the quality of the electronic processing. Resolution improves with higher frequencies, but the depth of imaging suffers. Image artifacts such as shadowing and enhancement provide useful information, rather than just interfering with creation of a clear image. The current image quality, affordable cost, and ease of performance make real time ultrasound an integral part of the clinical evaluation of the thyroid patient.

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Author information

Authors and Affiliations

  1. Thyroid Center of New Hampshire, Dartmouth Medical School, Nashua, NH, USA

    Robert A. Levine MD, FACE, ECNU

Authors
  1. Robert A. Levine MD, FACE, ECNU
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Editor information

Editors and Affiliations

  1. University of Central Florida, North Orange Ave. 2921, Orlando, 32804, Florida, USA

    H. Jack Baskin, Sr.

  2. Endocrinology Associates, North 3rd Avenue 3522, Phoenix, 85613, Arizona, USA

    Daniel S. Duick

  3. Thyroid Center of New Hampshire, Coliseum Avenue 5, Nashua, 03063, New Hampshire, USA

    Robert A. Levine

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Levine, R.A. (2013). Thyroid Ultrasound Physics. In: Baskin, Sr., H., Duick, D., Levine, R. (eds) Thyroid Ultrasound and Ultrasound-Guided FNA. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4785-6_2

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  • DOI: https://doi.org/10.1007/978-1-4614-4785-6_2

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4614-4784-9

  • Online ISBN: 978-1-4614-4785-6

  • eBook Packages: MedicineMedicine (R0)

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