Although these blood tests
are highly reliable, no test is 100% accurate. The test cannot tell you when or
whether you will develop colon cancer. Testing negative for an inherited colon
cancer gene does not mean you will never get colon cancer. It means your risk
of colon cancer is about the same as that of the average person.
There are many different genetic mutations that can lead to FAP or HNPCC.
Genetic testing does not find all of them. Because of this, a person may have a
normal genetic test but still have an increased chance of having an inherited
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
August 27, 2012
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this