Does colonoscopy treat lynch syndrome?

Lynch syndrome is an inherited condition that raises the chance of certain cancers, including cancers of the colon and rectum. Colonoscopy examines the bowel lining so a clinician can remove suitable polyps and biopsy suspicious areas. This surveillance manages findings inside the bowel; it does not change the inherited gene-related risk. If a cancer is found, treatment depends on its location, depth, and whether it has spread, and may include surgery or other cancer therapies. People with Lynch syndrome may also need discussions about screening for cancers outside the bowel.

Keep the colonoscopy schedule recommended for your personal and family history, even when you feel well. Tell the gastroenterology team about genetic test results, previous polyps, bowel symptoms, and relatives with related cancers. Ask whether other specialists should be involved and how family members can access genetic counselling. Details about the procedure are available in [Colonoscopy](/treatments/cancer-screening/colonoscopy/).

Contact a clinician promptly for rectal bleeding, blood mixed with stool, a persistent change in bowel habit, ongoing abdominal pain, unexplained weight loss, or unusual fatigue. Seek emergency help for heavy bleeding, fainting, severe pain, repeated vomiting, or a swollen abdomen with inability to pass stool or gas. These red flags need assessment regardless of when the next surveillance examination is scheduled.

What surveillance interval fits my Lynch syndrome history? Were any polyps or suspicious areas found? Do I need genetic counselling for relatives? Which non-bowel cancer checks should be discussed?