Polypoid Lesions of the Colon
10.1055/b-0034-91857 Polypoid Lesions of the Colon Characterization of Polypoid Lesions at CT Colonography If a polypoid filling defect is detected in the colon, it needs to be further analyzed by…
Pitfalls and Artifacts
10.1055/b-0034-91862 Pitfalls and Artifacts Errors leading to incorrect diagnosis can arise at any stage during CT colonography, so the range of potential pitfalls and pseudolesions is wide. Suboptimal bowel preparation…
Malignant Diseases of the Colon and Rectum
10.1055/b-0034-91858 Malignant Diseases of the Colon and Rectum By far the most common colonic malignancy is adenocarcinoma. Rare tumors include primary lymphoma, carcinoids, gastrointestinal stromal tumors, melanomas, mesenchymal malignancies (such…
Normal Anatomy of the Colon and Rectum
10.1055/b-0034-91855 Normal Anatomy of the Colon and Rectum Thorough knowledge of the anatomy and the regular two-dimensional (2D) and three-dimensional (3D) CT morphology of the large bowel is essential for…
Inflammatory Bowel Disease
10.1055/b-0034-91859 Inflammatory Bowel Disease Of the inflammatory bowel diseases, diverticulitis and chronic inflammatory bowel diseases are the most common causes of stenotic changes to the bowel wall. CT colonography is…
Ileocecal Region
10.1055/b-0034-91860 Ileocecal Region The ileocecal region comprises the cecum, appendix, ileocecal valve, and terminal ileum. Because of the complex topography of this region, it is sometimes difficult to identify positional…
CT Colonography for Surveillance after Colorectal Surgery
10.1055/b-0034-91861 CT Colonography for Surveillance after Colorectal Surgery Follow-Up after Colorectal Surgery Surveillance for recurrent and metachronous tumors after surgical resection of colorectal cancer is clinically important because early detection…
Extracolonic Findings
10.1055/b-0034-91863 Extracolonic Findings During a CT colonographic examination, the entire abdomen and pelvis are scanned. This means that, along with the colon, extracolonic organs and structures are also examined, including…
Diverticular Disease
10.1055/b-0034-91856 Diverticular Disease In the Western world, diverticular disease is the most common disease of the large bowel, affecting 10%–30% of the population aged 50 years and 30%–60% of 80-year-olds….
