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- During a virtual colonoscopy, your doctor does a CT scan of your abdomen and pelvis to create 3-D images. These images show polyps and other abnormalities inside your colon and rectum.
www.mdanderson.org/publications/focused-on-health/colon-cancer-screening--colonoscopy-vs-virtual-colonoscopy.h25Z1590624.html
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Studies have shown that virtual colonoscopy can pick up bowel cancer in more than 9 in 10 people who have large polyps (over 10 mm). This is as good as standard colonoscopy. But virtual colonoscopy is not as good as traditional colonoscopy at detecting smaller or flat polyps.
Jul 6, 2023 · Virtual colonoscopy is also known as screening CT colonography. Unlike the usual or traditional colonoscopy, which needs a scope to be put into your rectum and advanced through your colon, virtual colonoscopy uses a CT scan to take hundreds of cross-sectional pictures of your belly organs.
A radiologist reviews the images from the virtual colonoscopy to look for polyps on the inside of the colon that can sometimes turn into colon cancer. A virtual colonoscopy procedure may be beneficial for patients on blood thinning medications or who may not be candidates for a conventional colonoscopy .
Apr 20, 2022 · A virtual colonoscopy is an X-ray that looks for polyps (growths), ulcers (sores) and cancer in your colon and rectum. Your colon and rectum are tube-like organs that are part of your large intestine, and they help digest food.
Aims —To evaluate the ability of virtual colonoscopy to detect colorectal cancers and polyps in patients with endoscopically proven colorectal neoplasms and to correlate the findings of virtual colonoscopy with those of conventional colonoscopy, surgery, and histopathology.
- H M Fenlon, D P Nunes, P D Clarke, J T Ferrucci
- 1998
Initially, a cell from the colon starts to multiply abnormally and forms a benign (non-cancerous) polyp, which can remain harmless for a long time before becoming an aggressive cancer. Polyps, when detected early can often be removed during colonoscopy.
Virtual colonoscopy is a procedure in which a radiologist uses x-rays and a computer to create images of your rectum and colon from outside the body. Virtual colonoscopy can show ulcers, polyps, and cancer.
