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British Journal of Radiology (2007) 80, 537-544
© 2007 British Institute of Radiology
doi: 10.1259/bjr/34603706
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A comparative study of thoracic radiation doses from 64-slice cardiac CT

E L Nickoloff, DSC and P O Alderson, MD

Department of Radiology, Columbia University and New York Presbyterian Hospital, 177 Fort Washington Avenue, Milstein Bldg Room 3-265B, New York, NY 10032-3784, USA


Figure 1
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  		Figure 1. The phantom in this CT image is a 32 cm acrylic cylinder used by medical physicists to simulate the human body for radiation dose measurement. The image shows the ionization chamber at the top of the phantom, and solid state radiation detectors are on the surface.

 

Figure 2
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  		Figure 2. This CT image shows the slice of an anthropomorphic phantom used to measure radiation dose in order to compare with the value of the 32 cm acrylic cylinder. The solid state detectors are shown on the surface of this phantom.

 




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