Titlebook: CT Colonography for Radiographers; A Guide to Performan Joel H. Bortz,Aarthi Ramlaul,Leonie Munro Book 2023Latest edition The Editor(s) (if

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CTC Technique and Image Interpretation Methods,o allows evaluation of structures outside the colon. There have been several changes in the performance of a study since it was first used in 1994. A successful CTC examination requires the use of an automated pressure-controlled carbon dioxide insufflator, a well prepared colon, the use of tagging,

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Anatomy of the Colon: Rectum to Ileocaecal Valve,brief description of the anatomy, including malrotation of the bowel, is accompanied by CTC images of the colon as well as extrinsic impressions on it. Two-dimensional (2D) and three-dimensional (3D) software options for detection of polyps in the colon are briefly covered.

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CTC Traps and Artefacts,wever lesions and disease processes that may mimic both colonic polyps and cancer on CTC. The most basic of these traps (pitfalls) is the thickened or complex fold, which may be encountered on both 2D and 3D imaging. The presence of homogenous adherent stool is a common trap and may be mistaken for

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Internal Haemorrhoids, Anal Papilla, and Other Anorectal Lesions,lloon could compress internal haemorrhoids that might be present. Both 2D and 3D views may visualise internal haemorrhoids. On 2D they present as small protrusions, whereas on 3D they may be raised linear defects or polypoidal in shape. They lie in close proximity to the rectal catheter. Both anal p

TOXIC

Polyps: Types and Sizes,) study. Sessile, pedunculated, flat, and carpet lesions are described with examples of 2D and 3D CTC images. Although a reader can describe the size and shape of polyps on a CTC study, their histological type has to be confirmed by biopsy. Colon polyps are described with accompanying CTC images. It

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