Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
Calculate the CT numbers (HU) for the following tissues at given X-ray beam energies. Indicate whether the beam energy is suitable or not suitable for imaging of that specific tissue type. In the table below, the attenuation coefficients μ (m-1) are listed for each tissue for each of the beam energies.
Beam Energy/Tissue | 50keV | 60kev | 150kev |
Fat | 20.17 | 18.75 | 14.25 |
Muscle | 23.75 | 21.50 | 15.67 |
Compact Bone | 81.45 | 60.44 | 28.42 |
Water (liquid) | 22.69 | 20.60 | 15.05 |
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