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Hounsfield unit
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Oct 18 2009, 1:13 PM EDT
eliseleblanc
Moved from: Radiography
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Oct 18 2009, 1:13 PM EDT
Sep 14 2009, 11:26 PM EDT
gmack
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(Word count: 154)
Sep 14 2009, 11:24 PM EDT
gmack
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that are calibrated with reference to water.
Tissue
CT
number (HU)
Bone
1000
Liver
40 - 60
White matter
~20-30 HU
Grey matter
~37-45 HU
Blood
40
Muscle
10 - 40
Kidney
30
Cerebrospinal fluid
15
Water
0
Fat
-50 - -100
Air
-1000
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(Word count: 154)
Sep 14 2009, 11:22 PM EDT
gmack
lower case
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Renamed from HOUNDSFIELD UNIT by
gmack
Sep 14 2009, 11:22 PM EDT for: lower case
Sep 1 2009, 3:01 AM EDT
gmack
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119 words added
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The Hounsfield unit (HU) scale is a linear transformation of the original linear attenuation coefficient measurement in one in which the radiodensity of distilled water at standard pressure and temperature (STP) is defined as zero Hounsfield units (HU), while the radiodensity of air at STP is defined as -1000 HU.
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Aug 19 2009, 1:45 PM EDT
TowerImaging
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TowerImaging
Aug 19 2009, 1:45 PM EDT for: no reason given
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