By David Dowsett
The Radiological Sciences Dictionary is a quick reference advisor for all clinic employees hired in diagnostic imaging, offering definitions of over 3,000 key phrases as utilized to the know-how of diagnostic radiology. Written in a concise and straightforward to digest shape, the dictionary covers a large choice of material, together with: radiation laws and size; computing and electronic imaging terminology; nuclear medication radionuclides and radiopharmaceuticals; radiographic distinction brokers (x-ray, MRI, and ultrasound); statistical expressions, and basic clinical phrases proper to radiology. keyword phrases are associated in order that a selected subject will be through connection with all appropriate key terms. usually, key phrases are extra outlined by way of exhibiting labored examples. extra necessary entries to the dictionary comprise ancient references to extraordinary folks who've contributed to diagnostic imaging, in addition to website contacts for appropriate all over the world businesses. The Radiological Sciences Dictionary is a useful reference for someone education or certified in diagnostic imaging, together with radiologists, radiographers, physicists, and technicians.
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Additional info for Radiological Sciences Dictionary: Keywords, Names and Definitions
1 0 20 40 60 80 Time (hours) (see decay constant, generator). bathtub curve (stats) A predictive curve descriptive of a quality assurance plan where the probability of breakdown is highest at the beginning and end of a machine’s useful life. 100 Breakdown (%) 80 60 different. e. V22 modem 1200 bps is 600 baud. 6 kB, though this can be increased by using various data compression techniques. baud rate (comp) The number of signals that can be sent along a communications channel every second. In common usage; often confused with bits per second (bps).
8 Relevance to radiology: Used as a doping agent for semiconductors. ) or software (program corrupted). The random fluctuation of intensity due to noise can be considered separately from artefacts. ) or software (program corrupted). artefact (structured noise) (ct) The appearance in the CT image of details not present in the scanned object. The main components of structured noise are due to a form of partial volume artefact and to beam hardening. Both effects usually result in streaking artefacts, which are observed in regions of high contrast when there is a sharp discontinuity in object density, such as at air–tissue, air–bone and metal–tissue boundaries.
Approximation image (di) Original image, filtered by a smoothing scaling function at the coarsest scale. APT (mri) Attached proton test. archiving (xray) The medium- and long-term storage of patient details. An image data for easy retrieval, which includes paper, film and electronic methods. Arcitumomab (nmed) (CEA-Scan®, Immunomedics) Murine monoclonal antibody Fab’ fragment labelled with 99mTc. Targets a variety of carcinomas particularly in the gastrointestinal (GI) tract, including also Crohn’s disease and inflammatory bowel disease.