Juvenile Polyposis:
A Guide for patients and their families
Cancer Risks Associated with JP
Joy Larsen Haidle, MS, CGC, UI Health Care
V. Kim Horton, RN, MS, CGC, UI Health Care
James R. Howe, MD, UI College of Medicine
Hope Bergemann, UI Health Care
Peer Review Status: Internally reviewed by the
authors
First Published:
Last Revised: April 2002
In addition to juvenile polyps, some families may also have an increased chance for developing certain types of cancer. The chance of developing GI cancers in families with JP has been estimated to range from nine to 50 percent. (This also means that there is a 50 to 91 percent chance that an individual with JP will not develop cancer). As a comparison, men and women in the general population have a five percent lifetime chance of developing colon cancer. The bulk of this increased risk of GI cancers is attributed to colon cancer, but cancer of the stomach, upper GI tract, and pancreas have also been reported. Specific risk estimates for each of these cancers are not available at this time.
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