Titlebook: Computed Tomography for Radiographers; Malcolm J. Brooker Book 1986 MTP Press Limited 1986 computed tomography (CT).tomography

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Saleh Al-Sharieh,Jeanne Mifsud BonniciAny individuals or group of individuals who are given the task of setting up a computed tomography department within a hospital or clinic, where there is no existing scanner, face a daunting challenge.

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IntroductionComputed tomography (CT) has made great clinical and technical advances during the last decade.

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Image displayThe console, which operates the entire system, is a free standing unit which houses the keyboard, through which the operator directs the scanning sequences and the viewing of the images, a large monitor for image viewing, and often a smaller monitor, called a menu monitor, on which is displayed the text of the program being used.

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Artefacts in computed tomography and quality assuranceWithin CT artefacts may be defined as image degradation due to either physical, mechanical or computer malfunction or to the physical state or condition of the patient. Broadly speaking we can say, therefore, that artefacts originate in the system and/or the patient.