CT colonography (CTC) has been shown to be comparable to standard colonoscopy in accurately detectingcancer in older patients.
According to a research paper published online in Radiology, CTC can be just as effective as standard methods when used to check for cancer and precancerous polyps in people aged 65 and over.
The results are consistent with findings from the ACRIN National CT colonography trial, published in 2008 by the New England Journal of Medicine, which showed that CTC can be used for adults aged 50 and above as a primary option for colorectal cancer screening.
Read More - http://www.privatehealth.co.uk/news/february-2012/ct-scans-aid-colon-cancer-treatment-36655/
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