A 40-year-old member asked:
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family history of colon cancer. do i start seeing gi before or at age parent diagnosed?

3 doctor answers
Dr. Liawaty Ho
22 years experience Hematology and Oncology
Earlier colonoscopy: If you have a significant family history of colon cancer, you would start your colonoscopy 10 years earlier than the age of the youngest family members diagnosed with colon cancer. Significant history - if there are multiple family members with colon ca; if a very young age of diagnosis of colon ca in some family members; diagnoses of other, associated cancers in family members.
Answered on Aug 4, 2012
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Dr. Eric Kaplan
Dr. Eric Kaplan commented
41 years experience Colon and Rectal Surgery
if a parent or sibling has had colon cancer, deduct ten years from their age at time of diagnosis, and that it is the age yuou should begin regular screening!
Mar 24, 2012
Dr. Gurmukh Singh
48 years experience Pathology
Now: See the doctor now to determine when it would be prudent to start surveillance. More than one genetic abnormality is associated with colon cancer and each type needs a different approach.
Answered on Mar 24, 2012
Dr. Alain Ades
38 years experience Gastroenterology
Colon cancer: Most primary care physicians may not know. Answer is 10-15 years before the time your relative had it diagnosed, or age 40, whichever comes first. Remember, it is a curable and preventable disease.
Answered on Apr 23, 2016
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