Esophageal ulcer

It is caused by different causes, and it is caused by necrotic lesions in various sections of the esophagus, that is, the inflammatory lesions of the esophagus's mucosal layer, submucosal layer and muscle layer. Specifically, ulcers occur below the pharynx and above the dentate line. The normal esophagus is about 25-30 cm long. It is about 15 cm from the incisor to the upper end of the esophagus and about 40-42 cm to the end of the esophagus. The esophagus also has three physiological stenoses, which are the sites of foreign body retention and esophageal cancer. Clinically, the esophagus is divided into upper, middle and lower segments. In addition to corrosive esophagitis; esophageal ulcers caused by other diseases occur in the middle and lower sections of the esophagus.

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