Can Helicobacter pylori be detected by gastroscope?

Helicobacter pylori infection can be detected by gastroscopy.

Gastroscopy is to insert the tube with endoscope into the esophagus → stomach → duodenum of the examinee, so as to observe the pathological changes of esophagus, stomach and duodenum. Helicobacter pylori belongs to a kind of bacteria, so it is impossible to make a definite diagnosis simply by gastroscopy

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