CAT scan - ορισμός. Τι είναι το CAT scan
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Τι (ποιος) είναι CAT scan - ορισμός

MEDICAL IMAGING PROCEDURE USING X-RAYS TO PRODUCE CROSS-SECTIONAL IMAGES
Computer assisted tomography; CAT scan; Ct scan; Computerized axial tomography; CT or CAT scan; CAT Scan; Cat scan; CAT scans; Diagnostic uses of CT scanning; CT scanning; Body section roentgenography; CAT scanning; Computer-assisted tomography; Diagnostic uses of a CT scan; Computed Tomography; Computerized tomography; CT scans; C-T scan; Computed tomography scan; Computer axial tomography; Computerised tomography; Computer tomography; Computed axial tomography; X-ray tomography; CT Scan; CT scanner; CT-scans; Computed tomograghy; Digitally Reconstructed Radiograph; Tomography, spiral computed; Tomography, x-ray computed; CT Scanner; CAT scanner; Computerized tomographies; SRXTM; Computer aided tomography; Computer averaged tomography; Multidetector CT; Multidetector computed tomography; Multi-detector CT; C-t scan; X-ray Tomography; Catscan; Computed Axial Tomography; C.T. SCAN; Computerized axial tomography scan; CT-scan; Computer X-ray tomography; EMI scan; CAT-scan; Computerized Axial Tomography Scan; CT image; Computerized Axial Tomography; Computerized Tomography; Computed tomography; Computed tomograph (CT scan); Computerised axial tomography; MS-CT; MSCT; Multislice computed tomography; Ct Scan; Multi detector CT; CatSCAN; Computerized Axial Tomography Scans; Native phase; Native-phase; Cardiac CT; Computed tomograph; Computed tomographic scan; Beam-hardening artifact; Streak artifact; Cupping artifact; Beam hardening artefact; Beam hardening artifact; Beam-hardening artefact; X-ray computed tomography; CT scanned; Gemstone Spectral Imaging; CT images; Computed tomographic; 3D CT; Heart CT; Computed tomography of the heart; Chest CT; Multiplanar reconstruction of CT scans; CT examinations; CT imaging; Industrial applications of computed tomography; Thorax CT; CT thorax; Computerized Tomography Scanning; Dynamic computed tomography; CT-scanned; CT chest; Computational tomography; Dual Source CT; Dual source computed tomography
  • 3D human skull from computed tomography data
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  • CT scan of the thorax. The axial slice (right) is the image that corresponds to number 33 (left).
  • Bronchial wall thickness (T) and diameter of the bronchus (D)
  • Low-dose CT scan of the thorax.
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  • Types of presentations of CT scans: <br />- Average intensity projection<br />- [[Maximum intensity projection]]<br />- Thin slice ([[median plane]])<br />- [[Volume rendering]] by high and low threshold for [[radiodensity]]
  • [[Commons: Scrollable computed tomography images of a normal brain]]}}
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  • sagittal]] (lower left), and [[coronal plane]]s (lower right)
  • Drawing of CT fan beam and patient in a CT imaging system
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  • pulmonary arteries]] (bright white triangle)
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  • Standard-dose CT scan of the thorax.

Graham scan         
  • A demo of Graham's scan to find a 2D convex hull.
ALGORITHM FOR FINDING THE CONVEX HULL OF A SET OF POINTS IN THE PLANE
Graham Scan; Graham's scan; Graham's algorithm
Graham's scan is a method of finding the convex hull of a finite set of points in the plane with time complexity O(n log n). It is named after Ronald Graham, who published the original algorithm in 1972.
Track while scan         
RADAR MODE
Track-while-scan; Track While Scan; Track-While-Scan; Track-while-scan mode; Track while Scan; Search and track
The track while scan (TWS) is a mode of radar operation in which the radar allocates part of its power to tracking the target or targets while part of its power is allocated to scanning, unlike the straight tracking mode, when the radar directs all its power to tracking the acquired targets. In the TWS mode the radar has a possibility to acquire additional targets as well as providing an overall view of the airspace and helping maintain better situational awareness.
Full-body CT scan         
Full body scan; Fullbody scan; Full-body scans; Full body scans; Full-body scan; Full body CT scan; CT panscan
A full-body scan is a scan of the patient's entire body as part of the diagnosis or treatment of illnesses. If computed tomography (CAT) scan technology is used, it is known as a full-body CT scan, though many medical imaging technologies can perform full-body scans.

Βικιπαίδεια

CT scan

A computed tomography scan (usually abbreviated to CT scan; formerly called computed axial tomography scan or CAT scan) is a medical imaging technique used to obtain detailed internal images of the body. The personnel that perform CT scans are called radiographers or radiology technologists.

CT scanners use a rotating X-ray tube and a row of detectors placed in a gantry to measure X-ray attenuations by different tissues inside the body. The multiple X-ray measurements taken from different angles are then processed on a computer using tomographic reconstruction algorithms to produce tomographic (cross-sectional) images (virtual "slices") of a body. CT scan can be used in patients with metallic implants or pacemakers, for whom magnetic resonance imaging (MRI) is contraindicated.

Since its development in the 1970s, CT scanning has proven to be a versatile imaging technique. While CT is most prominently used in medical diagnosis, it can also be used to form images of non-living objects. The 1979 Nobel Prize in Physiology or Medicine was awarded jointly to South African-American physicist Allan MacLeod Cormack and British electrical engineer Godfrey Hounsfield "for the development of computer-assisted tomography".

Παραδείγματα από το σώμα κειμένου για CAT scan
1. On Monday he will have a CAT scan to evaluate his progress.
2. Sereno and his collaborators used CAT–scan technology to build models of what was inside Nigersaurus‘s skull.
3. Only with time have they grown to form clumps large enough to be seen on a CAT scan.
4. He had a CAT scan last week and delayed a decision while he consulted with his doctors.
5. Starting from scratch, a doctor there ordered a CAT scan of her pelvis and her swollen left leg.