The indications of diagnostic endoscopy – upper gastrointestinal endoscopy or colonoscopy – in the exploration of the digestive tract are classified as appropriate or inappropriate with regard to criteria established in guidelines supported by national scientific societies and by insurance companies. This applies to the exploration of symptomatic patients and to screening protocols for malignant lesions. Functional or nonstructural diseases being more frequent than structural diseases, negative findings in endoscopy are common. However this reassures the patient and should not be considered as overuse. On the other hand excess in the repetition of negative endoscopic procedures during surveillance raises ethical problems, increased costs, and may be considered as unethical.

Keywords:
Gastroscopy, Colonoscopy, Surveillance, Diagnostic endoscopy, Indications for endoscopy
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© 2002 S. Karger AG, Basel
2003
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