CT colonography: an update
Computed tomographic (CT) colonography (CTC)—also known as “virtual colonoscopy”—was first described more than a decade ago. As advancements in scanner technology and three-dimensional (3D) postprocessing helped develop this method to mature into a potential option in screening for colorectal cancer...
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| Veröffentlicht in: | European radiology 2008-03, Vol.18 (3), p.429-437 |
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| creator | Aschoff, Andrik J. Ernst, Andrea S. Brambs, Hans-Juergen Juchems, Markus S. |
| description | Computed tomographic (CT) colonography (CTC)—also known as “virtual colonoscopy”—was first described more than a decade ago. As advancements in scanner technology and three-dimensional (3D) postprocessing helped develop this method to mature into a potential option in screening for colorectal cancer, the fundamentals of the examination remained the same. It is a minimally invasive, CT-based procedure that simulates conventional colonoscopy using 2D and 3D computerized reconstructions. The primary aim of CTC is the detection of colorectal polyps and carcinomas. However, studies reveal a wide performance variety in regard to polyp detection, especially for smaller polyps. This article reviews the available literature, discusses established indications as well as open issues and highlights potential future developments of CTC. |
| doi_str_mv | 10.1007/s00330-007-0764-1 |
| format | Article |
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As advancements in scanner technology and three-dimensional (3D) postprocessing helped develop this method to mature into a potential option in screening for colorectal cancer, the fundamentals of the examination remained the same. It is a minimally invasive, CT-based procedure that simulates conventional colonoscopy using 2D and 3D computerized reconstructions. The primary aim of CTC is the detection of colorectal polyps and carcinomas. However, studies reveal a wide performance variety in regard to polyp detection, especially for smaller polyps. 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| subjects | Colonography, Computed Tomographic - instrumentation Colonography, Computed Tomographic - methods Colonoscopy Colorectal cancer Colorectal Neoplasms - diagnostic imaging Diagnostic Radiology Electrolytes Gastrointestinal Humans Imaging Internal Medicine Interventional Radiology Medicine Medicine & Public Health Neuroradiology Patient Acceptance of Health Care Patient compliance Polyethylene glycol Polyps Radiology Ultrasound |
| title | CT colonography: an update |
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