A colonoscopy is a procedure that lets a doctor look inside the large intestine to check for colon problems, including signs of colorectal cancer. It may be done as a routine preventive exam or to investigate symptoms and can also allow the doctor to remove growths or take small tissue samples during the visit.
This page includes screening colonoscopy, diagnostic colonoscopy.
Procedure Type
Screening colonoscopy
Screening colonoscopy includes preventive colonoscopy procedures used to check for colorectal cancer in people with or without higher risk factors, even if they do not have symptoms.
Procedure Type
Diagnostic colonoscopy
Diagnostic colonoscopy includes procedures that examine the large bowel with a flexible scope and may also involve taking a biopsy, injecting medication, or removing or destroying polyps or other growths found during the exam.