Spiral Computed Tomography
Radiology
978-613-7-96898-7
6137968987
108
2011-10-19
39.00 €
eng
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Spiral computed tomography is a computed tomography technology involving movement in a spiral pattern for the purpose of increasing resolution. CT beam types have included parallel beams, fan-beams, and cone-beams. In spiral cone-beam computed tomography, the beam is in the shape of a beam or a cone. Helical (or spiral) cone beam computed tomography (commonly abbreviated CBCT) is a type of three dimensional computed tomography (CT) in which the source (usually of x-rays) describes a helical trajectory relative to the object while a two dimensional array of detectors measures the transmitted radiation on part of a cone of rays emanating from the source.
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