New pages
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 18:30, 12 August 2021 Ambient dose equivalent (hist) [494 bytes] Chris Clement (talk | contribs) (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 Activity median aerodynamic diameter (hist) [483 bytes] Chris Clement (talk | contribs) (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 Source region (hist) [364 bytes] Chris Clement (talk | contribs) (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 Typical value (hist) [883 bytes] Chris Clement (talk | contribs) (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 Treatment preparation in radiotherapy (hist) [531 bytes] Chris Clement (talk | contribs) (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 Digital breast tomosynthesis (hist) [435 bytes] Chris Clement (talk | contribs) (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 Tolerance dose (hist) [452 bytes] Chris Clement (talk | contribs) (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 Time-resolved computed tomography (hist) [577 bytes] Chris Clement (talk | contribs) (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 Teratocarcinoma (hist) [302 bytes] Chris Clement (talk | contribs) (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 Stem cell (hist) [861 bytes] Chris Clement (talk | contribs) (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 Standard-size adult (hist) [830 bytes] Chris Clement (talk | contribs) (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 Slice (hist) [312 bytes] Chris Clement (talk | contribs) (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 Size-specific dose estimate (hist) [680 bytes] Chris Clement (talk | contribs) (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 Shielding (hist) [331 bytes] Chris Clement (talk | contribs) (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 Secondary radiation (hist) [407 bytes] Chris Clement (talk | contribs) (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 Relative survival (hist) [354 bytes] Chris Clement (talk | contribs) (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 Registry (hist) [608 bytes] Chris Clement (talk | contribs) (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 Regional diagnostic reference levels (hist) [349 bytes] Chris Clement (talk | contribs) (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 Reference air kerma (hist) [1,549 bytes] Chris Clement (talk | contribs) (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 Referrer (hist) [323 bytes] Chris Clement (talk | contribs) (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 Rb (hist) [240 bytes] Chris Clement (talk | contribs) (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 Ras (hist) [331 bytes] Chris Clement (talk | contribs) (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 Radiation-induced secondary malignancy (hist) [482 bytes] Chris Clement (talk | contribs) (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 Radiation-induced second cancer (hist) [208 bytes] Chris Clement (talk | contribs) (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 Quality control testing (hist) [357 bytes] Chris Clement (talk | contribs) (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 Potential recoverability correction factor (hist) [397 bytes] Chris Clement (talk | contribs) (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 Pilomatricoma (hist) [252 bytes] Chris Clement (talk | contribs) (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 Pencil beam (hist) [424 bytes] Chris Clement (talk | contribs) (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 Oxygen enhancement ratio (hist) [512 bytes] Chris Clement (talk | contribs) (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 Organ at risk (hist) [304 bytes] Chris Clement (talk | contribs) (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 Molecular imaging (hist) [574 bytes] Chris Clement (talk | contribs) (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 Nuclear medicine (hist) [470 bytes] Chris Clement (talk | contribs) (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 Notification value (hist) [1,289 bytes] Chris Clement (talk | contribs) (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 Noise (hist) [680 bytes] Chris Clement (talk | contribs) (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 Multitarget equation (hist) [692 bytes] Chris Clement (talk | contribs) (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 Multifactorial diseases (hist) [226 bytes] Chris Clement (talk | contribs) (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 Multi-detector computed tomography (hist) [804 bytes] Chris Clement (talk | contribs) (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 Mean glandular dose (hist) [902 bytes] Chris Clement (talk | contribs) (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 National DRL (hist) [508 bytes] Chris Clement (talk | contribs) (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 Local DRL (hist) [703 bytes] Chris Clement (talk | contribs) (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 Intensity-modulated radiotherapy (hist) [479 bytes] Chris Clement (talk | contribs) (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 Hyperfractionation (hist) [507 bytes] Chris Clement (talk | contribs) (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 Hounsfield unit (hist) [703 bytes] Chris Clement (talk | contribs) (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 Growth factor (hist) [623 bytes] Chris Clement (talk | contribs) (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 Graft vs host disease (hist) [346 bytes] Chris Clement (talk | contribs) (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 GATA binding protein 2 (hist) [321 bytes] Chris Clement (talk | contribs) (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 Gastroschisis (hist) [291 bytes] Chris Clement (talk | contribs) (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 Gastrulation (hist) [354 bytes] Chris Clement (talk | contribs) (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 Functional subunits (hist) [513 bytes] Chris Clement (talk | contribs) (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 Fractionation and dose delivery patterns (hist) [447 bytes] Chris Clement (talk | contribs) (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...")