Tuesday, July 19, 2011

Blood Test Spots Colon Cancer, Polyps

(HealthDay News) -- The first blood test to reliably detect early-stage colorectal cancer and polyps may help identify patients who would gain most from colonoscopy, say Israeli researchers who developed the screen.

The blood test checks for levels of CD24 protein, which is produced early in colorectal cancer development and may play a role in the spread of tumor cells, say the team, who will present their findings Sunday at the Gastrointestinal Cancers Symposium in Orlando, Fla.

"Screening is effective for early colorectal cancer detection and prevention, but for a range of reasons, many people are reluctant to undergo colonoscopy. Most people, however, are willing to have a blood test," lead author Sarah Kraus, head of a research laboratory at Tel Aviv Souraski Medical Center, said in a news release from the American Society of Clinical Oncology (ASCO), which helped organize the meeting. Read more...

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