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- W2270415619 abstract "__Abstract__Computed Tomography (CT) imaging is also known as CAT scanning(Computed Axial Tomography). Tomography is from the Greek wordtomos meaning slice or section and graphia meaning describing.CT was invented in 1972 by British engineer Godfrey Hounsfield of EMILaboratories, England, and independently by South Mrican born physicistAllan Cormack of Tufts University, Massachusetts.1•2 Hounsfield was laterawarded the Nobel Peace Prize and honoured with Knighthood in Englandfor his contributions to medicine and science.The first clinical CT scanners were installed between 1974 and 1976.The original systems were dedicated to head imaging only, but wholebody systems with larger patient openings became available in 1976. CTbecame widely available by about 1980. There are now about 30.000installed worldwide.The first CT scanner developed by Hounsfield in his lab at EMI tookseveral hours to acquire the raw data for a single scan or slice and tookdays to reconstruct a single image from this raw data. The latest multisliceCT systems can collect up to 64 slices of data in one rotation of about333ms and reconstruct up to 20 slicesjs with a 512x512-matrix.During its 25-year history, CT has made great improvements in speed,patient comfort, and resolution. As CT scan times have gotten faster, moreanatomy can be scanned in less time. Faster scanning helps to eliminateartefacts from patient motion such as breathing or peristalsis.Computed tomography (CT) has been regarded in the late '80 and '90 asthe workhorse of radiological routine, the minor sister of the morefashionable Magnetic Resonance (MRI). Actually, CT was bom andremains a mono-parametric technique when compared with MRI that ismulti-parametric." @default.
- W2270415619 created "2016-06-24" @default.
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- W2270415619 date "2005-03-16" @default.
- W2270415619 modified "2023-09-27" @default.
- W2270415619 title "Multislice computed tomography coronary angiography" @default.
- W2270415619 hasPublicationYear "2005" @default.
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