2, the middle gastrointestinal tract it is gastroscopy can not reach, colonoscopy can not reach, so this piece of us rely on capsule endoscopy, to do the examination is very good, and the small intestine because it is relatively thin. Capsule endoscopy it has several problems, the first is that it can not take a biopsy, if you capsule endoscopy found a problem, you still have to go to the gastroscope to reconfirm, to take a biopsy.
3, in addition to its imaging effect, it is, after all, not as good as us, high-definition endoscopy. Ordinary endoscopy it is very clear, and there is a magnifying function, you can see very clearly, lesions can be seen very clearly, and can do treatment. And capsule endoscopy it is only a checkup purpose.