GASTROENTEROLOGY

Polypoid Lesions of the Colon

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on 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…

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Pitfalls and Artifacts

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on 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…

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Malignant Diseases of the Colon and Rectum

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on 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…

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Normal Anatomy of the Colon and Rectum

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on 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…

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Inflammatory Bowel Disease

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on 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…

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Ileocecal Region

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on 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…

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Screening Requirements

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on Screening Requirements

10.1055/b-0034-91869 Screening Requirements Colorectal cancer is one of the most common cancers in the Western world. Many countries have already implemented screening programs or are considering them. Certain requirements must…

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Choice of Screening Procedure

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on Choice of Screening Procedure

10.1055/b-0034-91870 Choice of Screening Procedure Various procedures (fecal occult blood test [FOBT]), sigmoidoscopy, colonoscopy, CT colonography) are available for screening for colorectal cancer. These methods differ in terms of sensitivity,…

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CT Colonography for Surveillance after Colorectal Surgery

Jun 26, 2020 by in GASTROENTEROLOGY Comments Off on 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…

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