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Combined display of all available logs of ICRPaedia. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
(newest | oldest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)- 18:36, 12 August 2021 Chris Clement (talk | contribs) created page Annual limit on intake (Created page with "100px|frameless|right|link=ICRP Glossary (See also Derived air concentration) ALI was defined in ICRP Publication 60 as an intake (in Bq) of...")
- 18:31, 12 August 2021 Chris Clement (talk | contribs) created page Annual intake (Created page with "100px|frameless|right|link=ICRP Glossary The amount of a specified radionuclide entering the human body by ingestion or inhalation within one year...")
- 18:30, 12 August 2021 Chris Clement (talk | contribs) created page Ambient dose equivalent (Created page with "100px|frameless|right|link=ICRP Glossary The dose equivalent at a point in a radiation field that would be produced by the corresponding expanded...")
- 18:29, 12 August 2021 Chris Clement (talk | contribs) created page Activity median aerodynamic diameter (Created page with "100px|frameless|right|link=ICRP Glossary A value of aerodynamic diameter (d<sub>ae</sub>) such that 50% of the activity in the aerosol is associat...")
- 18:27, 12 August 2021 Chris Clement (talk | contribs) created page Source region (Created page with "100px|frameless|right|link=ICRP Glossary Region of the body containing the radionuclide. The region may be an organ, a tissue, the contents of the...")
- 18:18, 12 August 2021 Chris Clement (talk | contribs) created page Typical value (Created page with "100px|frameless|right|link=ICRP Glossary DRL The median of the distribution of the data for a DRL quantity for a clinical imaging procedure....")
- 18:16, 12 August 2021 Chris Clement (talk | contribs) created page Treatment preparation in radiotherapy (Created page with "100px|frameless|right|link=ICRP Glossary All the tasks to be performed before the actual radiation delivery is initiated. Treatment preparation is...")
- 18:15, 12 August 2021 Chris Clement (talk | contribs) created page Digital breast tomosynthesis (Created page with "100px|frameless|right|link=ICRP Glossary Multiple mammographic x-ray exposures of the breast are obtained using many projection angles. The inform...")
- 18:14, 12 August 2021 Chris Clement (talk | contribs) created page Tolerance dose (Created page with "100px|frameless|right|link=ICRP Glossary Radiotherapy The maximum radiation dose or intensity of fractionated radiotherapy that is associated wit...")
- 18:13, 12 August 2021 Chris Clement (talk | contribs) created page Time-resolved computed tomography (Created page with "100px|frameless|right|link=ICRP Glossary The generation of CT datasets from serial three-dimensional volumetric images obtained as a function of t...")
- 18:11, 12 August 2021 Chris Clement (talk | contribs) created page Teratocarcinoma (Created page with "100px|frameless|right|link=ICRP Glossary A malignant neoplasm consisting of elements of teratoma with those of embryonal carcinoma or choriocarcin...")
- 18:10, 12 August 2021 Chris Clement (talk | contribs) created page Stem cell (Created page with "100px|frameless|right|link=ICRP Glossary Cells with an unlimited proliferative capacity, capable of self-renewal and differentiation to produce al...")
- 18:09, 12 August 2021 Chris Clement (talk | contribs) created page Standard-size adult (Created page with "100px|frameless|right|link=ICRP Glossary It is important to have some standardisation of patient size if the number of patients for whom dose surv...")
- 18:07, 12 August 2021 Chris Clement (talk | contribs) created page Slice (Created page with "100px|frameless|right|link=ICRP Glossary In CT and CBCT A tomographic section (defined by the position and thickness) of a test phantom or patie...")
- 18:06, 12 August 2021 Chris Clement (talk | contribs) created page Size-specific dose estimate (Created page with "100px|frameless|right|link=ICRP Glossary A patient dose estimate for computed tomography (CT) scans that considers corrections based on the size (...")
- 18:05, 12 August 2021 Chris Clement (talk | contribs) created page Shielding (Created page with "100px|frameless|right|link=ICRP Glossary The placement of a high-absorption material (e.g. lead, concrete) between the source and its environment...")
- 18:04, 12 August 2021 Chris Clement (talk | contribs) created page Secondary radiation (Created page with "100px|frameless|right|link=ICRP Glossary Radiation produced by interaction between the primary beam and the matter. In the radiotherapy treatment...")
- 18:03, 12 August 2021 Chris Clement (talk | contribs) created page Relative survival (Created page with "100px|frameless|right|link=ICRP Glossary The ratio of the proportion of cancer patients who survive for a specified number of years (e.g., 5 years...")
- 18:02, 12 August 2021 Chris Clement (talk | contribs) created page Registry (Created page with "100px|frameless|right|link=ICRP Glossary A collection of information. A registry is usually organised so that the data in it can be analysed. Regi...")
- 18:01, 12 August 2021 Chris Clement (talk | contribs) created page Regional diagnostic reference levels (Created page with "100px|frameless|right|link=ICRP Glossary DRLs set in a region based on either a representative sample of health facilities or on national DRL va...")
- 17:59, 12 August 2021 Chris Clement (talk | contribs) created page Reference air kerma (Created page with "100px|frameless|right|link=ICRP Glossary Air kerma of the primary x-ray beam measured under specific conditions and expressed as the equivalent va...")
- 17:57, 12 August 2021 Chris Clement (talk | contribs) created page Referrer (Created page with "100px|frameless|right|link=ICRP Glossary A medical doctor, dentist, or other health professional who is entitled to refer individuals for medical...")
- 17:56, 12 August 2021 Chris Clement (talk | contribs) created page Rb (Created page with "100px|frameless|right|link=ICRP Glossary Retinoblastoma proto-oncogene with tumour suppressor function; limits excessive cell growth. (ICRP Pub...")
- 17:55, 12 August 2021 Chris Clement (talk | contribs) created page Ras (Created page with "100px|frameless|right|link=ICRP Glossary Rat sarcoma proto-oncogene/small guanosine triphosphate hydrolase (GTPase) protein/a basic cell signal tr...")
- 17:53, 12 August 2021 Chris Clement (talk | contribs) created page Radiation-induced secondary malignancy (Created page with "100px|frameless|right|link=ICRP Glossary Late complications of radiotherapy, seen among the survivors of both adult and pediatric cancers. Mutagen...")
- 17:52, 12 August 2021 Chris Clement (talk | contribs) created page Radiation-induced second cancer (Created page with "100px|frameless|right|link=ICRP Glossary Malignant neoplasm attributed to radiation delivered during radiotherapy for a primary cancer. '''Return...")
- 17:51, 12 August 2021 Chris Clement (talk | contribs) created page Quality control testing (Created page with "100px|frameless|right|link=ICRP Glossary X-ray equipment Measurements that evaluate the current state of x-ray equipment performance and image qu...")
- 17:49, 12 August 2021 Chris Clement (talk | contribs) created page Potential recoverability correction factor (Created page with "100px|frameless|right|link=ICRP Glossary A set of factors that take account of knowledge that different classes of germ line mutation will show di...")
- 17:47, 12 August 2021 Chris Clement (talk | contribs) created page Pilomatricoma (Created page with "100px|frameless|right|link=ICRP Glossary A slowly growing, benign skin tumour originating from primitive cells of the hair matrix and hair shaft....")
- 17:46, 12 August 2021 Chris Clement (talk | contribs) created page Pencil beam (Created page with "100px|frameless|right|link=ICRP Glossary A beam of radiant energy concentrated in an approximately conical or cylindrical portion of space of rela...")
- 17:45, 12 August 2021 Chris Clement (talk | contribs) created page Oxygen enhancement ratio (Created page with "100px|frameless|right|link=ICRP Glossary The ratio of the absorbed dose required to cause the same biological endpoint in hypoxic conditions as in...")
- 17:44, 12 August 2021 Chris Clement (talk | contribs) created page Organ at risk (Created page with "100px|frameless|right|link=ICRP Glossary An organ that may be damaged during exposure to radiation. OAR most frequently refers to healthy organs l...")
- 17:43, 12 August 2021 Chris Clement (talk | contribs) created page Molecular imaging (Created page with "100px|frameless|right|link=ICRP Glossary Molecular imaging is the visualization, characterization, and measurement of biological processes at the...")
- 17:42, 12 August 2021 Chris Clement (talk | contribs) created page Nuclear medicine (Created page with "100px|frameless|right|link=ICRP Glossary Nuclear medicine: Nuclear medicine uses radionuclides or tracers labelled with radionuclides in human and...")
- 17:41, 12 August 2021 Chris Clement (talk | contribs) created page Notification value (Created page with "100px|frameless|right|link=ICRP Glossary In CT A facility-defined value for volume CT dose index (CTDI<sub>vol</sub>) or dose–length product (...")
- 17:38, 12 August 2021 Chris Clement (talk | contribs) created page Noise (Created page with "100px|frameless|right|link=ICRP Glossary In imaging A fundamental statistical phenomenon that is present in all images. Noise tends to reduce the...")
- 17:37, 12 August 2021 Chris Clement (talk | contribs) created page Multitarget equation (Created page with "100px|frameless|right|link=ICRP Glossary Model that assumes the presence of a number of critical targets in a cell, all of which require inactivat...")
- 17:31, 12 August 2021 Chris Clement (talk | contribs) created page Multifactorial diseases (Created page with "100px|frameless|right|link=ICRP Glossary Diseases that are attributable to multiple genetic and environmental factors. ((ICRP Publication 103...")
- 17:29, 12 August 2021 Chris Clement (talk | contribs) created page Multi-detector computed tomography (Created page with "100px|frameless|right|link=ICRP Glossary MDCT systems are CT scanners with a detector array consisting of more than a single row of detectors. The...")
- 17:28, 12 August 2021 Chris Clement (talk | contribs) created page Mean glandular dose (Created page with "100px|frameless|right|link=ICRP Glossary In mammography D<sub>G</sub> is the mean absorbed dose in the glandular tissue of the breast. Glandular t...")
- 16:50, 12 August 2021 Chris Clement (talk | contribs) created page National DRL (Created page with "100px|frameless|right|link=ICRP Glossary DRL value set in a country based on data from a representative sample of healthcare facilities in that co...")
- 16:48, 12 August 2021 Chris Clement (talk | contribs) created page Local DRL (Created page with "100px|frameless|right|link=ICRP Glossary A DRL for an x-ray procedure set in healthcare facilities within part of a country for a defined clinica...")
- 16:46, 12 August 2021 Chris Clement (talk | contribs) created page Intensity-modulated radiotherapy (Created page with "100px|frameless|right|link=ICRP Glossary Advanced mode of high-precision radiotherapy that uses computer-controlled linear accelerators to deliver...")
- 16:44, 12 August 2021 Chris Clement (talk | contribs) created page Hyperfractionation (Created page with "100px|frameless|right|link=ICRP Glossary Significant reduction in dose per fraction below a conventional level of 1.8–2.0 Gy to give a greater t...")
- 16:43, 12 August 2021 Chris Clement (talk | contribs) created page Hounsfield unit (Created page with "100px|frameless|right|link=ICRP Glossary Number used to represent the mean x-ray attenuation associated with each elemental area of the CT image....")
- 16:31, 12 August 2021 Chris Clement (talk | contribs) created page Growth factor (Created page with "100px|frameless|right|link=ICRP Glossary An organic molecule that stimulates cell proliferation when it binds to its cellsurface receptor. Often s...")
- 16:28, 12 August 2021 Chris Clement (talk | contribs) created page Graft vs host disease (Created page with "100px|frameless|right|link=ICRP Glossary In transplants, reaction by immunologically competent cells of the donor against the antigens present on...")
- 16:27, 12 August 2021 Chris Clement (talk | contribs) created page GATA binding protein 2 (Created page with "100px|frameless|right|link=ICRP Glossary Master regulatory gene encoding for zinc finger DNA binding domain transcription factors/regulatory gene/...")
- 16:26, 12 August 2021 Chris Clement (talk | contribs) created page Gastroschisis (Created page with "100px|frameless|right|link=ICRP Glossary A congenital defect characterised by a defect in the anterior abdominal wall through which the abdominal...")
- 16:25, 12 August 2021 Chris Clement (talk | contribs) created page Gastrulation (Created page with "100px|frameless|right|link=ICRP Glossary Early phase in the embryonic development of most animals, during which the single-layered blastula is re-...")
- 16:24, 12 August 2021 Chris Clement (talk | contribs) created page Functional subunits (Created page with "100px|frameless|right|link=ICRP Glossary Subunit of an organ (or tissue) performing a certain function for the organ. e.g., nephrons in kidney, al...")
- 16:23, 12 August 2021 Chris Clement (talk | contribs) created page Fractionation and dose delivery patterns (Created page with "100px|frameless|right|link=ICRP Glossary The dose per fraction of radiation is the total dose divided into a particular number of fractions. A ver...")
- 16:21, 12 August 2021 Chris Clement (talk | contribs) created page Fluoroscopically or computed tomography guided interventions (Created page with "100px|frameless|right|link=ICRP Glossary Procedures comprising image guided therapeutic or diagnostic interventions by percutaneous or other acces...")
- 16:19, 12 August 2021 Chris Clement (talk | contribs) created page Exogenous excretion (Created page with "100px|frameless|right|link=ICRP Glossary Term used to specify the (faecal) excretion of material that passes through the alimentary tract without...")
- 16:18, 12 August 2021 Chris Clement (talk | contribs) created page DRL quantity (Created page with "100px|frameless|right|link=ICRP Glossary A commonly and easily measured or determined radiation metric (e.g. K<sub>a,e</sub>, K<sub>a,i</sub>, CTD...")
- 16:16, 12 August 2021 Chris Clement (talk | contribs) created page DRL value (Created page with "100px|frameless|right|link=ICRP Glossary An arbitrary notional value of a DRL quantity usually set at the 75th percentile of the distribution...")
- 16:13, 12 August 2021 Chris Clement (talk | contribs) created page DRL process (Created page with "100px|frameless|right|link=ICRP Glossary The cyclical process of establishing DRL values using them as a tool for optimisation and subsequently de...")
- 16:10, 12 August 2021 Chris Clement (talk | contribs) created page Dose-length product (Created page with "100px|frameless|right|link=ICRP Glossary A parameter used as a surrogate measure for patient dose in a computed tomography scan of length L. By co...")
- 16:07, 12 August 2021 Chris Clement (talk | contribs) created page Diagnostic reference level (Created page with "100px|frameless|right|link=ICRP Glossary A diagnostic reference level is a form of investigation level used as a tool to aid in optimisation of p...")
- 16:04, 12 August 2021 Chris Clement (talk | contribs) created page Detector quantum efficiency (Created page with "100px|frameless|right|link=ICRP Glossary A measure of the combined effects of the signal (related to image contrast) and noise performance of an i...")
- 16:03, 12 August 2021 Chris Clement (talk | contribs) created page Exposure index (Created page with "100px|frameless|right|link=ICRP Glossary Indicator displayed on digital radiography equipment (computed radiography or digital radiography) relate...")
- 16:01, 12 August 2021 Chris Clement (talk | contribs) created page Dental and maxillofacial imaging (Created page with "100px|frameless|right|link=ICRP Glossary Dental and maxillofacial imaging refers to imaging of high-contrast structures related to the teeth and j...")
- 15:56, 12 August 2021 Chris Clement (talk | contribs) created page Cone beam computed tomography (Created page with "100px|frameless|right|link=ICRP Glossary A form of x-ray computed tomography in which the x rays in the form of a divergent cone or pyramid expose...")
- 15:54, 12 August 2021 Chris Clement (talk | contribs) created page Collimation (Created page with "100px|frameless|right|link=ICRP Glossary Geometrical limitation of the extent of the radiation beam. (from ICRP Publication 129, 2015) '''Re...")
- 15:53, 12 August 2021 Chris Clement (talk | contribs) created page Cobblestone area forming cell assay (Created page with "100px|frameless|right|link=ICRP Glossary An in-vitro assay of primitive, self-renewing haematopoietic progenitor cells in marrow. (from ICRP Pu...")
- 15:52, 12 August 2021 Chris Clement (talk | contribs) created page Clonogenic surviving fraction (Created page with "100px|frameless|right|link=ICRP Glossary The fraction of clonogenic cells that survive exposure to, or treatment with, an agent that causes cell d...")
- 15:50, 12 August 2021 Chris Clement (talk | contribs) created page Clinical audit (Created page with "100px|frameless|right|link=ICRP Glossary A systematic examination or review of medical radiological procedures that seeks to improve the quality a...")
- 15:48, 12 August 2021 Chris Clement (talk | contribs) created page Carers and comforters (Created page with "100px|frameless|right|link=ICRP Glossary Individuals other than staff who care for and comfort patients. These individuals include parents and ot...")
- 15:43, 12 August 2021 Chris Clement (talk | contribs) created page Broad beam therapy irradiation technique (Created page with "100px|frameless|right|link=ICRP Glossary Irradiation technique where incident beam from an accelerator is broadened laterally to cover the target...")
- 15:41, 12 August 2021 Chris Clement (talk | contribs) created page Breakpoint cluster region/abelson (Created page with "100px|frameless|right|link=ICRP Glossary A unique chronic myeloid leukaemia (CML)-associated genomic rearrangement. (from [[ICRP Publication 131]...")
- 15:39, 12 August 2021 Chris Clement (talk | contribs) created page Spread-out Bragg peak (Created page with "100px|frameless|right|link=ICRP Glossary The extended isoeffect region in depth formed by the optimal stacking of multiple depth dose curves of p...")
- 15:37, 12 August 2021 Chris Clement (talk | contribs) created page Bragg peak (Created page with "100px|frameless|right|link=ICRP Glossary The Bragg peak is a pronounced peak on the Bragg curve that plots the energy loss of ion beams during the...")
- 15:34, 12 August 2021 Chris Clement (talk | contribs) created page Brachytherapy (Created page with "100px|frameless|right|link=ICRP Glossary Radiation treatment of a patient using sealed sources of radiation placed within the patient’s body. (...")
- 15:33, 12 August 2021 Chris Clement (talk | contribs) created page Automatic exposure control (Created page with "100px|frameless|right|link=ICRP Glossary A device that automatically determines and provides the exposure needed to produce a preselected image qu...")
- 15:30, 12 August 2021 Chris Clement (talk | contribs) created page AML/eto (Created page with "100px|frameless|right|link=ICRP Glossary Acute myeloid leukaemia (AML)-associated chimeric gene/gene product resulting from reciprocal chromosomal...")
- 15:29, 12 August 2021 Chris Clement (talk | contribs) created page Apoptosis (Created page with "100px|frameless|right|link=ICRP Glossary An active biochemical process of programmed cell death following radiation, other insults or triggering s...")
- 15:26, 12 August 2021 Chris Clement (talk | contribs) created page Air kerma at the patient entrance reference point (Created page with "100px|frameless|right|link=ICRP Glossary The air kerma at a point in space located at a fixed distance from the focal spot (see “Patient en...")
- 15:24, 12 August 2021 Chris Clement (talk | contribs) created page Adenoma (Created page with "100px|frameless|right|link=ICRP Glossary A benign tumour of glandular origin. Adenomas can grow from many organs including the colon, adrenal glan...")
- 15:16, 12 August 2021 Chris Clement (talk | contribs) created page Working level month (Created page with "100px|frameless|right|link=ICRP Glossary The cumulative exposure from breathing an atmosphere at a concentration of 1 [working level] (WL) for a w...")
- 15:13, 12 August 2021 Chris Clement (talk | contribs) created page Working level (Created page with "100px|frameless|right|link=ICRP Glossary In the context of exposure to Radon and Radon progeny, the historical unit for potential alpha energy con...")
- 15:08, 12 August 2021 Chris Clement (talk | contribs) created page Worker (Created page with "100px|frameless|right|link=ICRP Glossary Any person who is employed, whether full time, part time, or temporarily, by an employer, and who has rec...")
- 15:05, 12 August 2021 Chris Clement (talk | contribs) created page Waste management (Created page with "100px|frameless|right|link=ICRP Glossary The whole sequence of operations starting with the generation of waste and ending with disposal. (from [...")
- 15:02, 12 August 2021 Chris Clement (talk | contribs) created page Upper reference levels (Created page with "100px|frameless|right|link=ICRP Glossary Maximum values of exposure under which ICRP recommends national authorities to establish their own nation...")
- 15:00, 12 August 2021 Chris Clement (talk | contribs) created page Trophic level (Created page with "100px|frameless|right|link=ICRP Glossary The hierarchy within a food web characterized by organisms that share the same function in a food chain....")
- 14:59, 12 August 2021 Chris Clement (talk | contribs) created page Transmission detection system (Created page with "100px|frameless|right|link=ICRP Glossary A security screening device using ionising radiation to create an image by measuring radiation transmitte...")
- 14:57, 12 August 2021 Chris Clement (talk | contribs) created page Thoron progeny (Created page with "100px|frameless|right|link=ICRP Glossary Short-lived radioactive decay products of radon-220. In the context of thoron exposure, the following pro...")
- 14:56, 12 August 2021 Chris Clement (talk | contribs) created page Surface contamination (Created page with "100px|frameless|right|link=ICRP Glossary The presence of unwanted levels of radioactive material on the surface of structures, areas, objects, bio...")
- 14:55, 12 August 2021 Chris Clement (talk | contribs) created page Superposition principle (Created page with "100px|frameless|right|link=ICRP Glossary The superposition principle is based on additivity of absorbed dose and means that the total dose in a ta...")
- 14:44, 12 August 2021 Chris Clement (talk | contribs) created page Employer (Created page with "100px|frameless|right|link=ICRP Glossary An organisation, corporation, partnership, firm, association, trust, estate, public or private institutio...")
- 00:02, 12 August 2021 Charlotte White (talk | contribs) created page Security screening (Created page with "100px|frameless|right|link=ICRP Glossary An activity undertaken to detect unintended, unwanted, or deliberately introduced objects or materials th...")
- 00:01, 12 August 2021 Charlotte White (talk | contribs) created page Security (Created page with "100px|frameless|right|link=ICRP Glossary The prevention and detection of, and response to, theft, sabotage, unauthorised access, illegal transfer,...")
- 00:00, 12 August 2021 Charlotte White (talk | contribs) created page Sheltering (Created page with "100px|frameless|right|link=ICRP Glossary The short-term use of a structure to reduce the intake of airborne radionuclides by inhalation and for th...")
- 23:59, 11 August 2021 Charlotte White (talk | contribs) created page Solar flare (Created page with "100px|frameless|right|link=ICRP Glossary A large emission of energetic solar particles ejected into space by the Sun. (Adapted from ICRP Public...")
- 23:38, 11 August 2021 Charlotte White (talk | contribs) created page Sealed source (Created page with "100px|frameless|right|link=ICRP Glossary A radioactive source in which the radioactive material is permanently sealed in a capsule or closely bond...")
- 23:37, 11 August 2021 Charlotte White (talk | contribs) created page Source-related assessment (Created page with "100px|frameless|right|link=ICRP Glossary A radioactive source in which the radioactive material is permanently sealed in a capsule or closely bond...")
- 23:36, 11 August 2021 Charlotte White (talk | contribs) created page Region (Created page with "100px|frameless|right|link=ICRP Glossary A group of countries usually defined by geographical proximity and/or cultural similarities that agree t...")
- 23:35, 11 August 2021 Charlotte White (talk | contribs) created page Safety (Created page with "100px|frameless|right|link=ICRP Glossary Lorem ipsum... (Adapted from ICRP Publication 135, 2017) '''Return to Glossary'''...")
- 23:34, 11 August 2021 Charlotte White (talk | contribs) created page Reference value (Created page with "100px|frameless|right|link=ICRP Glossary The value of a parameter recommended by the Commission for use in a bio- kinetic model in the absence of...")
- 23:31, 11 August 2021 Charlotte White (talk | contribs) created page Redox (Created page with "100px|frameless|right|link=ICRP Glossary Oxidation–reduction reactions that describe chemical reactions in which atoms have their oxidation numb...")
- 23:31, 11 August 2021 Charlotte White (talk | contribs) created page Radon-prone area (Created page with "100px|frameless|right|link=ICRP Glossary A geographic area or an administrative region defined on the basis of surveys indicating a significantl...")