Detection of Colorectal Cancer in Patients With a Positive Fecal Immunochemical Test Using an Electronic Nose Device (AeoNoseTM)

An electronic nose device is an artificial olfactory system that analyses volate organic compounds (VOCs) in exhaled breath. The AeonoseTM is a handheld device of 650 gram. A nose clip will be used to prevent the entry of non-filtered air and patients will be instructed to enclose the mouthpiece with their mouth at all times. A measurement cycle lasts for about 15 minutes, of which 5 minutes of in-and exhalation by the patient takes place.