colonoscopy

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colonoscopy

[‚kō·lə′näs·kə·pē]
(medicine)
Visual examination of the inner surface of the colon by means of an endoscope.
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Virtual colonoscopy dealt setback with rejection for coverage by Medicare.
Preventive Services Task Force did not recommend virtual colonoscopy because it was concerned about the possibility of unintended side effects.
Results from recent trials including the National CTC Trial conducted by the ACR Imaging Network (ACRIN) that demonstrated the effectiveness of virtual colonoscopy as a screening procedure, coupled with recent initiatives to establish Medicare reimbursement for the procedure, may increase the viability of virtual colonoscopy for colorectal cancer screening and are likely to drive increased utilization of the procedure.
Dachman described another innovation in virtual colonoscopy in a separate presentation at the meeting.
Results suggest capsule colonoscopy was "more sensitive than was virtual colonoscopy and almost [as] sensitive as standard colonoscopy," Dr.
However, in the trial, virtual colonoscopy slightly underperformed against colonoscopy in identifying polyps as small as 6 mm.
For some patients, virtual colonoscopy may be an alternative to traditional colonoscopy screening for detection of polyps that can lead to colon cancer, the second leading cause of cancer deaths in the country.
During a virtual colonoscopy, carbon dioxide is used to inflate the colon via a small rectal tube.
Virtual colonoscopy, also known as CT colonography, is a minimally invasive procedure that creates 2-D and 3-D images to identify abnormalities such as precancerous polyps.
Another consideration is that virtual colonoscopy only allows visibility of the polyps, and patients are required to have the traditional procedure if a polyp is found.
BOSTON -- Virtual colonoscopy may replace the barium enema in the initial evaluation of rectal bleeding in children, according to Dr.

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