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Hounsfield unit

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Key: additions deletions

Showing 6 pages

	Date/Time	Made By	Edit Note	Type	Scope
	Oct 18 2009, 1:13 PM EDT	eliseleblanc	Moved from: Radiography	move	No content added or deleted.
Change: Moved by eliseleblanc Oct 18 2009, 1:13 PM EDT
	Sep 14 2009, 11:26 PM EDT	gmack		edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 154)
	Sep 14 2009, 11:24 PM EDT	gmack		edit	37 words added
Change: 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 View changes from previous version. (Word count: 154)
	Sep 14 2009, 11:22 PM EDT	gmack	lower case	rename	No content added or deleted.
Change: Renamed from HOUNDSFIELD UNIT by gmack Sep 14 2009, 11:22 PM EDT for: lower case
	Sep 1 2009, 3:01 AM EDT	gmack		edit	119 words added
Change: 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. View changes from previous version. (Word count: 118)
	Aug 19 2009, 1:45 PM EDT	TowerImaging		create	No content added or deleted.
Change: Created by TowerImaging Aug 19 2009, 1:45 PM EDT for: no reason given

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