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X-ray computed tomography operates by using an X-ray generator that rotates around the object; X-ray detectors are positioned on the opposite side of the circle from the X-ray source. A sinogram (left) and an image sample (right). [1] Picture of a CT scout ( scanogram or topogram) as used for planning every scan slice.
12 de jul. de 2018 · Radon transform example.jpg 1,257 × 612; 52 KB. Reconstructions in dual-energy and photon-counting computed tomography.svg 627 × 383; 565 KB. Robert S. Ledley's Computer Aided Tomography Patent - Figure 3.png 3,408 × 2,320; 70 KB. Robert S. Ledley's Computer Aided Tomography Patent - Figures 1 and 2.png 2,320 × 3,408; 97 KB.
Computed tomography scanner. CT in a picture of 1989. A computed tomography (CT) scanner is an X-ray machine that takes cross section images. They can help a doctor in diagnosis . Categories: Medical equipment. Laboratory equipment. Medical imaging.
The first computed tomography (CT) system capable of producing images of any part of the human body without the need for a cumbersome "water tank" was the Automatic Computerized Transverse Axial (ACTA) scanner, designed by Dr. Robert S. Ledley, DDS, at Georgetown University. This revolutionary machine was equipped with 30 photomultiplier tubes ...
003330. La tomografia computerizzata, in radiologia, indicata con l' acronimo TC o CT (dall' inglese computed tomography ), è una tecnica di indagine radiodiagnostica ( diagnostica per immagini ), con la quale è possibile riprodurre immagini in sezione ( tomografia) e tridimensionali dell'anatomia, create da un'analisi generata al computer ...
La tomodensitométrie ( TDM ), dite aussi scanographie, tomographie axiale calculée par ordinateur (TACO), CT-scan (CT : computed tomography ), CAT-scan (CAT : computer-assisted tomography ), ou simplement scanner ou scanneur pour l'appareil a, est une technique d' imagerie médicale qui consiste à mesurer l'absorption des rayons X par les ...
OPS-301 code. 3-75. Positron emission tomography–computed tomography (better known as PET-CT or PET/CT) is a nuclear medicine technique which combines, in a single gantry, a positron emission tomography (PET) scanner and an x-ray computed tomography (CT) scanner, to acquire sequential images from both devices in the same session, which are ...
