Can a CT detect polyps? - Myths about oncology
Can a CT detect polyps?
Can you see polyps on CT?
Can polyps be missed on CT scan?
What is the best alternative to a colonoscopy?
In a number of studies, CT colonography has displayed results equivalent to colonoscopy in both cancer and polyp detection. CT colonography has been shown to rapidly and effectively examine the entire colon for lesions.
CT colonography prospectively detected 53 polyps. Histologic analysis of the polyps not detected on CT colonography showed that of those 5 mm or smaller, 58.1% were not adenomas, and of those measuring 6-9 mm, 42.8% were not adenomas. Both missed polyps at CT colonography of 10 mm or more were adenomas.
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Screening guidelines 2019
fecal testing every 2 years, either by FIT or gFOBT.
a sigmoidoscopy every 10 years plus FIT every 2 years.