User contributions
7 June 2019
ICRP Glossary
no edit summary
-93
Linear-non-threshold model
Created page with "A dose-response model which is based on the assumption that, in the low dose range, radiation doses greater than zero will increase the risk of excess cancer and/or heritable..."
ICRP Glossary
no edit summary
-37
Lineal energy
Created page with "The quotient of <math>ε_i</math> by <math>\bar{l}</math>, where <math>ε_i</math> is the energy imparted to the matter in a given volume by a single energy-deposition event..."
List of ICRP Publications on Radiological Protection in Healthcare
no edit summary
-12
Application of ionising radiation in healthcare (old)
no edit summary
-22
Information for healthcare providers (old)
no edit summary
-91
Information for patients, family members, carers and the public (old)
no edit summary
-67
6 June 2019
ICRP Glossary
no edit summary
-24
Iso-effect plots
no edit summary
+5
Iso-effect plots
Created page with "Doses for equal effect (e.g. ED<sub>50</sub>) plotted against dose per fraction or dose rate. (Publication 118, 2012) ''ICRP Glossary entry - May 2019''"
ICRP Glossary
no edit summary
-184
Fractionation sensitivity
no edit summary
-10
ICRP Glossary
no edit summary
+18
Fractionation sensitivity
Created page with "The dependence of the iso-effective radiation dose on the dose per fraction. Usually quantified by the α/β ratio – a high fractionation sensitivity is characterised by a l..."
Fractionation
Created page with "The dose in radiotherapy based on the total dose divided into a particular number of (usually) daily or shorter treatments. (Adapted from ICRP Publication 118, 2012) ''[..."
ICRP Glossary
no edit summary
-104
Exposure, external or internal
Created page with "The state or condition of being subject to irradiation. External exposure is exposure to radiation from a source outside the body and internal exposure is exposure to radiatio..."
ICRP Glossary
no edit summary
-3
Equivalent dose
no edit summary
+1
Equivalent dose
Created page with "The equivalent dose in an organ or tissue is given by: <div style='text-align: center;'> <math> H_T = \displaystyle \sum_{R} w_RD_{R,T} </math> </div where D<sub>R,T</sub> i..."
ICRP Glossary
no edit summary
-71
Effective dose equivalent
Created page with "The tissue weighted sum of dose equivalent to an organ or tissue from all specified organs and tissues of the body, given by the expression <div style='text-align: center;'>..."
Effect Dose 50
Created page with "Radiation dose that is estimated to produce a specified (normal tissue) effect in 50% of irradiated subjects (‘effect dose – 50%’). (ICRP Publication 118, 2012) ''..."
Dose-rate effect
Created page with "Decreasing radiation response with decreasing radiation dose rate. (ICRP Publication 118, 2012) ''ICRP Glossary entry - May 2019''"
Dose rate effectiveness factor
Created page with "The ratio between the risk per unit effective dose for high dose rates and that for low dose rates (superseded by dose and dose rate effectiveness factor, DDREF). ([https://ww..."
Dose rate
Created page with "The radiation dose delivered per unit time and measured, for example, in grays per hour. (ICRP Publication 118, 2012) ''ICRP Glossary entry - May 2019''"
Dose per unit intake coefficient
Created page with "The committed effective dose per radionuclide intake, e(τ), or committed equivalent dose to the tissue or organ rT per radionuclide intake, h<sub>T</sub>(r<sub>T</sub>,τ), w..."
ICRP Glossary
no edit summary
+12
ICRP Glossary
no edit summary
-77
Computed tomography dose index
no edit summary
-5
Annual dose
no edit summary
+82
Decontamination factor
Created page with "The ratio of the activity per unit area (or per unit mass or volume) before a particular decontamination technique is applied to the activity per unit area (or per unit mass o..."
ICRP Glossary
no edit summary
-34
ICRP Glossary
no edit summary
-21
Computed tomography dose index
no edit summary
+20
Computed tomography dose index
Created page with "A dose quantity defined to give indication of doses to the patient undergoing CT scans. The basic CTDI is the average absorbed dose at the center of the standard CT phantom im..."
Committed equivalent dose
Created page with "The time integral of the equivalent dose rate in a particular tissue or organ that will be received by an individual following intake of radioactive material into the body by..."
ICRP Glossary
no edit summary
+32
Committed effective dose
Created page with "The sum of the products of the sex-averaged committed organ- or tissue-equivalent doses, <math>H_T(τ)</math>, and the appropriate tissue weighting factors (<math>w_T</math>),..."
Chronic exposure
Created page with "Exposure received within a long period of time (in relation to the lifespan of the organism. ''ICRP Glossary entry - May 2019''"
ICRP Glossary
no edit summary
-27
ICRP Glossary
no edit summary
-27
Reference biokinetic model
Created page with "A mathematical model that describes the intake, uptake, distribution and retention of a radionuclide in various organs and tissues of the body of a reference person, and the s..."
ICRP Glossary
no edit summary
+10
Reference bioassay function
no edit summary
-1
Reference bioassay function
no edit summary
+1
Reference bioassay function
Created page with "A set of tabulated values <math>m_{(t)}</math> predicted by a reference biokinetic model describing the time course of the activity in the body (‘retention function’) or t..."
ICRP Glossary
no edit summary
+10
Bioassay
no edit summary
+8