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Topic: Computed axial tomography


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 Computed axial tomography - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-11-06)
Newer machines with faster computer systems and newer software strategies can process not only individual cross sections but continuously changing cross sections as the gantry, with the object to be imaged, is slowly and smoothly slid through the X-ray circle.
Their computer systems integrate the data of the moving individual slices to generate three dimensional volumetric information, in turn viewable from multiple different perspectives on attached CT workstation monitors.
Computed tomography of the brain in axial, coronal, and sagittal planes
encyclopedia.worldsearch.com /computed_tomography.htm   (695 words)

  
 Computed tomography - Wikipedia, the free encyclopedia
Computed tomography (CT), originally known as computed axial tomography (CAT) and body section roentgenography, is a medical imaging method employing tomography where digital processing is used to generate a three-dimensional image of the internals of an object from a large series of two-dimensional X-ray images taken around a single axis of rotation.
The word "tomography" is derived from the Greek tomos (slice) and graphia (describing).
In recent years, tomography has also been introduced on the micrometer level and is named Microtomography.
www.wikipedia.org /wiki/Computed_axial_tomography   (1594 words)

  
 Computed axial tomography   (Site not responding. Last check: 2007-11-06)
computed axial tomography computed tomography computerized axial tomography axial tomography positron emission tomography
THASA Advanced proprietary gamma-ray computed tomography methods are used to precisely locate and evaluate rebars, conduits, and voids in reinforced concrete structures.
Belonging to the axis of the body; as, the axial skeleton; or to the axis of any appendage or organ; as, the axial bones.
www.serebella.com /encyclopedia/article-Computed_axial_tomography.html   (720 words)

  
 COMPUTED AXIAL TOMOGRAPHY - Definition
[n] a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis
CAT, computed tomography, computerized axial tomography, computerized tomography, CT
The body is passed into the machine and images of crosssectional "slices" through the body are produced.
www.hyperdictionary.com /dictionary/computed+axial+tomography   (68 words)

  
 computed axial tomography   (Site not responding. Last check: 2007-11-06)
Computed axial tomography (CAT), computer-assisted tomography, computed tomography, CT, or body section roentgenography) is the process of using digital processing to generate a three-dimensional image of the internals of an object from a series of two-dimensional x-ray axial images.
The individual x-ray axial slice images are taken using a x-ray tube that rotates around the object taking many scans as the object is gradually passed through the gantry.
Pixels in an image obtained by CT scanning are displayed in terms of relative brightness.
www.yourencyclopedia.net /computed_axial_tomography.html   (475 words)

  
 Computed axial tomography - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-11-06)
Computed axial tomography (CAT), computer-assisted tomography, computed tomography, CT, or body section roentgenography is the process of using digital processing to generate a three-dimensional image of the internals of an object from a large series of two-dimensional X-ray images taken around a single axis of rotation.
In conventional CT machines, a small X-Ray tube is physically rotated behind a circular shroud (see the image above right); in electron beam tomography (EBT) the tube is far larger, note the internal funnel shape in the photo, with a hollow cross-section and only the electron current is rotated.
The quantitative assessment of the cerebral ventricular system by means of computerized axial tomography
encyclopedia.worldsearch.com /computerized_axial_tomography.htm   (695 words)

  
 Computed axial tomography   (Site not responding. Last check: 2007-11-06)
Computed axial tomography (CAT) computer-assisted tomography computed tomography CT or body section roentgenography) is the process of using digital to generate a three-dimensional image of the internals of an object a series of two-dimensional x-ray axial images.
The individual x-ray axial images are taken using a x-ray tube rotates around the object taking many scans the object is gradually passed through the The multiple scans from each 360 degree are then processed to produce a single The word " tomography " is derived from the Greek tomos (slice) and graphia (describing).
It is used in medicine as a tool and as a guide for interventional Sometimes contrast materials such as barium (administered orally or rectally) or intravenous iodinated contrast are used.
www.freeglossary.com /Computed_tomography   (658 words)

  
 Computed axial tomography - Open Encyclopedia   (Site not responding. Last check: 2007-11-06)
In conventional CT machines, a small X-Ray tube is physically rotated behind a circular shroud (see the image above right); in electron beam tomography the tube is far larger, note the internal funnel shape in the photo, with a hollow cross-section and only the electron current is rotated.
The data stream representing the varying radiographic intensity sensed reaching the detectors on the opposite side of the circle during each sweep, 360 degree in conventional machines, 220 degree in EBT, are then computer processed to calculate cross-sectional estimations of the radiographic density, expressed in Hounsfield units.
In 2003, the cost of an average CT scanner was $1.3 million US.
www.open-encyclopedia.com /Computed_tomography   (622 words)

  
 Cat Dye Scan   (Site not responding. Last check: 2007-11-06)
Learn what a CAT Scan is, why it is performed, risks, and how to prepare for a CAT scan dye) is placed into the spinal fluid to further enhance the scan and the various structural relationships of the spine, the spinal cord, and its nerves.
Mayo Ireland Cat Scan Appeal Home Page abbreviated name, CAT scan or Cat scan dye) is placed into the spinal fluid to further enhance the scan and the various structural relationships.
A CAT Scan is a computerized cross-section tomography of the brain.
www.animalholics.com /cats/cat-dye-scan.html   (597 words)

  
 Computed axial tomography - Exposures to patient and personnel in computed axial tomography   (Site not responding. Last check: 2007-11-06)
CAT) Tomography in which computer analysis of a series of cross-sectional scans made along a single axis of.
The diagnosis of puerperal ovarian vein thrombophlebitis by computed axial tomography (CAT) scan is reported.
Computed axial tomography of the lungs identifies a group of patients at high risk for failure of methotrexate-folinic acid rescue, and, therefore,
rooms-ashram-poona.our17.com /pou/rooms-ashram-poona-computed-axial-tomography.html   (216 words)

  
 COMPUTERIZED AXIAL TOMOGRAPHY - Definition   (Site not responding. Last check: 2007-11-06)
CAT, computed axial tomography, computed tomography, computerized tomography, CT
A series of detailed pictures of areas inside the body, taken from different angles; the pictures are created by a computer linked to an x-ray machine.
Also called CAT scan, computed tomography (CT scan), or computerized tomography.
www.hyperdictionary.com /dictionary/computerized+axial+tomography   (74 words)

  
 computed tomography - Definition of computed tomography by Webster's Online Dictionary   (Site not responding. Last check: 2007-11-06)
computed tomography - a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis
Synonyms: computed axial tomography, computerized axial tomography, computerized tomography, CT, CAT
CAT, computed axial tomography, computerized axial tomography, computerized tomography, CT, X-radiation, X-raying
www.webster-dictionary.org /definition/computed%20tomography   (74 words)

  
 Cat Definition Scan   (Site not responding. Last check: 2007-11-06)
CT Scan (CAT Scan, Computed Axial Tomography (CAT) Scan) information center covers definition, alternative names, how is the test performed?, how to prepare for the test?, how will the test feel CT Scan.
A computed tomography scan (CT scan) is a study that uses a series of X-Rays to create image "slices" of the body.
computerized axial tomography scan (CAT scan or CT scan) is an the ability to scan faster and with higher definition of internal structures.
www.animalholics.com /cats/cat-definition-scan.html   (477 words)

  
 Computerised Tomography (CT) - knee dictionary
Non-invasive diagnosis of cruciate ligament damage with particular reference to computed tomography with arthrography full story...
Computerised tomography - or computerised axial tomography (CT ot CAT scan) - is an X-ray imaging technique which allows the assessment of soft tissues as well as bones.
As there is no way to print a three-dimensional image, the computer can then be instructed to 'slice' this reconstruction into thin slices and present these on X-ray film in a sequence, allowing the trained doctor to evaluate the organs again in three dimensions.
www.kneeguru.co.uk /html/dictionary/computerised_tomography.html   (191 words)

  
 Computed Tomography (CT): Questions and Answers, Cancer Facts 5.2   (Site not responding. Last check: 2007-11-06)
Computed tomography (CT) is a diagnostic procedure that uses special x-ray equipment to obtain cross-sectional pictures of the body (see Question 1).
Computed tomography (CT) is a diagnostic procedure that uses special x-ray equipment to obtain cross-sectional pictures of the body.
This procedure is also called CT scanning, computerized tomography, or computerized axial tomography (CAT).
cis.nci.nih.gov /fact/5_2.htm   (1035 words)

  
 Computed axial tomography - Computed tomography, CT Scan - Oncology Channel   (Site not responding. Last check: 2007-11-06)
computed axial tomography (CAT or CT scanner): the method by which scanners allow detailed internal views of bodies such as mummies.
computerized axial tomography method of obtaining cross-sectional images of internal bodily structures; a computer enhancement of tomography (qv).
Computed tomography (CT) scan, also called computerized axial tomography (CAT) scan, is used to create cross-sectional images of structures in the body.
video-edit-magic.3g6p.com /pgp/video-edit-magic-computed-axial-tomography.html   (232 words)

  
 Computed axial tomography   (Site not responding. Last check: 2007-11-06)
Computed axial tomography (CAT), computer-assisted tomography, computedtomography, CT, or body section roentgenography) is the process of using digitalprocessing to generate a three-dimensional image of theinternals of an object from a series of two-dimensional x-ray axial images.
Theindividual x-ray axial slice images are taken using a x-ray tube that rotates around the object taking many scans as the objectis gradually passed through the gantry.
Modern multi-detector CT systems can complete a scan of the chest in less time thanit takes for a single breath (useful if the patient cannot hold his/her breath) and display the computed images in a fewseconds.
www.therfcc.org /computed-axial-tomography-6091.html   (399 words)

  
 CT Scan (Computed Tomography) and CAT Scan (Computed Axial Tomography)
Computed Tomography (CT) imaging is also known as CAT scanning (Computed Axial Tomography).
Depending on the type of study, the CT scanner or table will move slightly as low intensity x-ray beams are rotated at many angles around the patient.
A computer collects the data from the scanner, calculates the density of a given cross-sectional slice, and produces the image onto film for study by a radiologist.
www.spineuniverse.com /print.php/article246.html   (454 words)

  
 Computed Axial Tomography Encyclopedia Article, Definition, History, Biography   (Site not responding. Last check: 2007-11-06)
Looking For computed axial tomography - Find computed axial tomography and more at Lycos Search.
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Look for computed axial tomography - Find computed axial tomography at one of the best sites the Internet has to offer!
www.artisticnudity.com /encyclopedia/Computed_axial_tomography   (1699 words)

  
 computed axial tomography --  Britannica Concise Encyclopedia - The online encyclopedia you can trust!
Diagnostic imaging method using a low-dose beam of X rays that crosses the body in a single plane at many different angles.
Detectors record the strength of the exiting X rays; this information is then processed by computer to produce a detailed two-dimensional cross-sectional image of the body.
The introduction of computed tomography (CT scan) in 1972 was a major advance in visualizing almost all parts of the body.
www.britannica.com /ebc/article?eu=386614&query=mental%20imagery&ct=   (912 words)

  
 Computed Axial Tomography
Computed axial tomography (better known as a "CT"or "CAT" scan) is a special type of x-ray that produces pictures of a "slice" through the body.
Unlike a regular x-ray, which gives only a "camera's eye" view, a CAT scan shows the various layers of tissue in any segment of the body.
The CAT scan machine is usually located in a room of its own.
www.healthsquare.com /mc/fgmc2600.htm   (444 words)

  
 computed axial tomography - OneLook Dictionary Search
Tip: Click on the first link on a line below to go directly to a page where "computed axial tomography" is defined.
Phrases that include computed axial tomography: computed axial tomography scan
Words similar to computed axial tomography: cat, ct, more...
www.onelook.com /?w=computed+axial+tomography&ls=a   (129 words)

  
 Tomography   (Site not responding. Last check: 2007-11-06)
Electron-beam computed tomography (EBCT) is more accurate than conventional catheter angiography for detecting a dangerous congenital heart abnormality that...
The device is the first stand-alone, high-resolution optical coherence tomography (OCT) imaging system for the anterior segment of the eye, including the cornea...
The scans - Positron Emission Tomography - Computer Tomography (PET-CT) scans - have a proven clinical benefit in both the diagnosis and staging of a number of...
tomography.wikiverse.org   (176 words)

  
 computed axial tomography | TutorGig.co.uk Dictionary   (Site not responding. Last check: 2007-11-06)
computed axial tomography n : a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis [syn: computerized tomography, computed tomography, CT, computerized axial tomography, CAT]
Software See all 1381 results in computed axial tomography..
Computer & Video Games See all 28 results in computed axial tomography..
www.tutorgig.co.uk /dict.jsp?keywords=computed+axial+tomography   (268 words)

  
 AllRefer Health - CT Scan (CAT Scan, Computed Axial Tomography (CAT) Scan) - Test/Medical Exams/Tests
Computed tomography (CT) a method of body imaging in which a thin x-ray beam rotates around the patient.
Small detectors measure the amount of x-rays that make it through the patient or particular area of interest.
A computer analyzes the data to construct a cross-sectional image.
health.allrefer.com /health/ct-info.html   (397 words)

  
 Dictionary.com/computerized axial tomography   (Site not responding. Last check: 2007-11-06)
Tomography in which computer analysis of a series of cross-sectional scans made along a single axis of a bodily structure or tissue is used to construct a three-dimensional image of that structure.
Tomography used in diagnostic studies of internal bodily structures, in which computer analysis of a series of cross-sectional scans made along a single axis of a bodily structure or tissue is used to construct a three-dimensional image of that structure.
n : a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis [syn: computerized tomography, computed tomography, CT, computed axial tomography, CAT]
dictionary.reference.com /search?q=computerized%20axial%20tomography   (188 words)

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