Difference between revisions of "Organ/tissue absorbed dose"

From ICRPaedia
Jump to navigation Jump to search
 
(5 intermediate revisions by the same user not shown)
Line 1: Line 1:
 
[[File:Glossary Icon-2.png|100px|frameless|right|link=ICRP Glossary]]
 
[[File:Glossary Icon-2.png|100px|frameless|right|link=ICRP Glossary]]
Absorbed dose, <math>D</math>, averaged over an organ or tissue region, <math>T</math>, as:
+
[[Absorbed dose]], <math>D</math>, averaged over an organ or tissue region, <math>T</math>, as:
  
 
<math>
 
<math>
Line 8: Line 8:
 
Where <math>\epsilon_T</math> is the mean total energy imparted in a tissue or organ <math>T</math>, and <math>m_T</math> is the mass of that tissue or organ.
 
Where <math>\epsilon_T</math> is the mean total energy imparted in a tissue or organ <math>T</math>, and <math>m_T</math> is the mass of that tissue or organ.
  
 +
[[ICRP Publication 103]], 2007
  
 +
'''Return to [[ICRP Glossary|Glossary]]'''
 +
 +
== Previous glossary entries ==
 +
 +
=== from [[ICRP Publication 106]], 2007 ===
 +
 +
The mean [[absorbed dose]] <math>D_T</math> to a target organ or tissue <math>T</math> is the sum of the contributions, <math>D(T \leftarrow S)</math>, arising from nuclear transformations of the radionuclide in various source organs <math>S</math>, i.e.:
 +
 +
<math>
 +
D_t = \sum_{S} D(T \leftarrow S)
 +
</math>
 +
 +
=== from [[ICRP Publication 116]], 2010; [[ICRP Publication 123]], 2013; [[ICRP Publication 130]], 2015; and [[ICRP Publication 133]], 2016 ===
 +
 +
The mean [[absorbed dose]] in a specified organ or tissue region <math>r_T</math> is given by:
  
[[ICRP Publication 130]], 2015
+
<math>
 +
D_T = \frac{1}{m_T} \int D\ dm
 +
</math>
  
'''Return to [[ICRP Glossary|Glossary]]'''
+
where <math>m_T</math> is the mass of the organ or tissue and <math>D</math> is the [[absorbed dose]] in the mass element <math>dm</math>. The SI unit of mean [[absorbed dose]] is joule per kilogramme (J kg<sup>-1</sup>) and its special name is [[gray]] (Gy). The mean [[absorbed dose]] in an organ is sometimes termed organ dose.
 +
 
 +
=== from [[ICRP Publication 139]], 2007 ===
 +
 
 +
The [[absorbed dose]] <math>D_T</math> averaged over the tissue or organ <math>T</math> which is given by:
  
== Previous glossary entries ==
+
<math>
 +
D_T=\frac{\epsilon_T}{m_T}
 +
</math>
  
=== from [[ICRP Publication 131]], 2015 ===
+
Where <math>\epsilon_T</math> is the mean total energy imparted in a tissue or organ <math>T</math>, and <math>m_T</math> is the mass of that tissue or organ.

Latest revision as of 18:14, 18 August 2021

Glossary Icon-2.png

Absorbed dose, [math]D[/math], averaged over an organ or tissue region, [math]T[/math], as:

[math] D_T=\frac{\epsilon_T}{m_T} [/math]

Where [math]\epsilon_T[/math] is the mean total energy imparted in a tissue or organ [math]T[/math], and [math]m_T[/math] is the mass of that tissue or organ.

ICRP Publication 103, 2007

Return to Glossary

Previous glossary entries

from ICRP Publication 106, 2007

The mean absorbed dose [math]D_T[/math] to a target organ or tissue [math]T[/math] is the sum of the contributions, [math]D(T \leftarrow S)[/math], arising from nuclear transformations of the radionuclide in various source organs [math]S[/math], i.e.:

[math] D_t = \sum_{S} D(T \leftarrow S) [/math]

from ICRP Publication 116, 2010; ICRP Publication 123, 2013; ICRP Publication 130, 2015; and ICRP Publication 133, 2016

The mean absorbed dose in a specified organ or tissue region [math]r_T[/math] is given by:

[math] D_T = \frac{1}{m_T} \int D\ dm [/math]

where [math]m_T[/math] is the mass of the organ or tissue and [math]D[/math] is the absorbed dose in the mass element [math]dm[/math]. The SI unit of mean absorbed dose is joule per kilogramme (J kg-1) and its special name is gray (Gy). The mean absorbed dose in an organ is sometimes termed organ dose.

from ICRP Publication 139, 2007

The absorbed dose [math]D_T[/math] averaged over the tissue or organ [math]T[/math] which is given by:

[math] D_T=\frac{\epsilon_T}{m_T} [/math]

Where [math]\epsilon_T[/math] is the mean total energy imparted in a tissue or organ [math]T[/math], and [math]m_T[/math] is the mass of that tissue or organ.