Journal
GUT
Volume 51, Issue -, Pages V6-V9Publisher
BRITISH MED JOURNAL PUBL GROUP
DOI: 10.1136/gut.51.suppl_5.v6
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Most colon cancers are assumed to have a premalignant adenomatous polyp phase, therefore colonoscopic detection and polypectomy provides the opportunity for cancer prevention. Some patients who have undergone colonoscopy and have had adenomas removed are at increased risk of developing colorectal cancer (CRC) in the future, and therefore might benefit from colonoscopic surveillance. However, it is important to appreciate that colonoscopy is an invasive and costly procedure with some associated morbidity. It is also an under-resourced procedure in the UK, with a serious lack of fully trained endoscopists. Around one third of the population will develop an adenoma by age 60. Most adenomas are asymptomatic and remain undiagnosed. If colorectal screening is introduced this situation will change dramatically. There arc few data on the benefits of colonoscopic surveillance in preventing cotorectal cancer after a baseline clearing colonoscopy. It is therefore important that this practice is applied judiciously, balancing the risks and benefits in each individual case. Using published evidence, this guideline recommends appropriate surveillance after adenoma removal. The decision to perform each follow up colonoscopy should also depend on the patient's wishes, the presence of comorbidity, the patient's age, and the presence of other risk factors.
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