Colorectal cancer screening
This article was originally published in The Gray Sheet
Executive Summary
A blood test using Loss of Imprinting (LoI) of the insulin-like growth factor II gene may be used as a marker of colorectal cancer risk, Johns Hopkins researchers report in Science March 14. In the pilot study of 172 patients who had previously undergone colonoscopies, subjects with a family history of colon cancer were five times more likely to have the LoI marker, while those with polyps were three times more likely. LoI was found in 30% of colorectal cancer patients but only 10% of healthy individuals...