Colon polyps CT scan

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Overview

CT scan with contrast and CT colonography or virtual colonoscopy may be helpful in the diagnosis of colon polyps. Outgrowths and filling defects are suggestive of colon polyps.

CT scan

  • CT scan with contrast may be helpful in the diagnosis of colon polyps. Findings on CT scan with contrast suggestive of colon polyps include:[1]
    • Outgrowth
    • Filling defect
Axial CT scan shows multiple pedunculated colon polyps-Case courtesy of Dr Ayaz Hidayatov, Radiopaedia.org[2]
Coronal CT scan shows multiple pedunculated colon polyps-Case courtesy of Dr Ayaz Hidayatov, Radiopaedia.org[2]
Sagittal CT scan shows colon polyp-Case courtesy of Dr Ayaz Hidayatov, Radiopaedia.org[2]


Colon polyps on virtual colonoscopy Case courtesy of Dr Ayaz Hidayatov, Radiopaedia.org[2]
Virtual colonoscopy shows colon polyp-Case courtesy of Dr Ayaz Hidayatov, Radiopaedia.org[2]


References

  1. Arnesen, R. B.; Ginnerup-Pedersen, B.; Poulsen, P. B.; von Benzon, E.; Adamsen, S.; Laurberg, S.; Hart-Hansen, O. (2016). "Cost-effectiveness of computed tomographic colonography: a prospective comparison with colonoscopy". Acta Radiologica. 48 (3): 259–266. doi:10.1080/02841850601182139. ISSN 0284-1851.
  2. 2.0 2.1 2.2 2.3 2.4 "Colonic polyp (virtual colonoscopy) | Radiology Case | Radiopaedia.org".
  3. Laghi, Andrea (2016). "CT Colonography: an update on current and future indications". Expert Review of Gastroenterology & Hepatology. 10 (7): 785–794. doi:10.1586/17474124.2016.1143358. ISSN 1747-4124.

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