n SA Journal of Radiology - Current trends in virtual colonoscopy : review article




Extracted from text ... REVIEW ARTICLE 10 SA JOURNAL OF RADIOLOGY ? September 2006 Introduction Conventional colonoscopy is the current gold standard procedure to evaluate the colon, as it examines the whole colon and allows for biopsy of lesions and has therapeutic potential (polypectomy). However it is regarded as an invasive procedure and has potentially serious complications. Computed tomography (CT) colonography may have a unique role in colorectal cancer screening. The main advantages are the ability to observe the whole colon quickly without sedation or with minimal risk of perforation. It could replace barium enema as the conventional radiological investigation of the colon. ..


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