Siemens SOMATOM Emotion syngo CT 2007E Operator's Manual page 552

Glossary
CT
CTDI 100
CTDI vol
CTDI
Density determination
Detector array
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syngo CT 2007E
02/2008
Computed Tomography.
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CTDose Index, calculated as absorbed dose to air according to
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IEC 60601-2-44. The Integral of the dose profile is calculated
along a line perpendicular to the tomographic plane (from -50
mm to +50 mm).
The CTDose Index volume (IEC 60601-2-44) is the approxima-
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tion of the average dose over a single slice in the standard head
or body CT dosimetry phantom, expressed in terms of absorbed
dose to air (mGy).
CTDose Index, calculated as absorbed dose to PMMA (lucite)
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according to 21CFR, § 1020.33. The Integral of the dose profile
is calculated along a line perpendicular to the tomographic
plane (from -7T to +7T, T is the nominal tomographic slice thick-
ness).
D
Quantitative evaluation of the CT values in a CT image.
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System of detectors for acquiring radiation intensities.
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Emotion Operator Manual
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