Colorectal cancer is one of the leading causes of death in the U.S. Patients have the best chance of survival when the cancer is caught in an early stage. Some patients are reluctant to have effective (but uncomfortable) diagnostic screening procedures (such as colonoscopy). A recent alternative is virtual colononscopy where the colon is reconstructed 3-dimensionally from a CT scan. Unfortunately, even virtual colonoscopy still requires the patient to have a bowel prep.

Enter Jerome Liang and his team at Stony Brook. They have developed a way to digitally remove fecal matter from the 3D CT reconstruction leaving only the walls of the colon and evidence of polyps.

[From Virtual colonic irrigation gives clear view of cancers – tech – 17 June 2008 – New Scientist Tech]

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