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Table 1 Physical quantities pertaining to phantom composition.

From: Phantom investigation of 3D motion-dependent volume aliasing during CT simulation for radiation therapy planning

Phantom Material

Density

(g/cm3)

Electron Density

(× 1023 cm-3)

Relative Electron Density

ρe

Lung

0.21

0.69

0.207

Bone

1.60

5.03

1.506

Plastic Water®-Diagnostic/Therapy Range

1.04

3.35

1.003

Soft Tissue Target

1.06

3.43

1.028

  1. The last column is a comparison of the relative electron densities of the various tissue equivalent materials.
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Radiation Oncology

ISSN: 1748-717X

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