Other cancers can occur in these families, including cancer of the uterus, ovaries, stomach, urinary tract, small bowel and bile ducts. The gene can be passed on even if the parent has had surgery to remove his or her own colon. Individuals who do not inherit the gene cannot pass it to their own children. Counseling services are available through genetic and oncology departments in many hospitals. To the right is a fluorescent chromosome display of all 23 pairs.
Early diagnosis is important for early detection and prevention of cancer.
Regular screening should start at the ages described in the exam guidelines below. Furthermore, early and frequent examination might reassure a person that he or she does not have the disorder even though relatives do. Exam guidelines for people at risk 1. Colonoscopy every 1-3 years starting by age 25 years or 5 to 10 years before the age of earliest colorectal cancer diagnosed in family. Annual hemoccult tests starting when colonoscopy begins.