ICD-11 definition : Peptic ulcer is defined as a distinct breach in the mucosa of the gastrointestinal
tract as a result of caustic effects of acid and pepsin in the lumen. A peptic ulcer
may develop in any part of the gastrointestinal tract exposed to acid and pepsin.
The most common locations are the stomach and duodenal bulb, but peptic ulcer may
also develop in the esophagus in gastro-oesophageal reflux diseases, and in the distal
ileum as a result of a Meckel's diverticulum lined with heterotopic gastric mucosa.;
Peptic ulcer is defined as a distinct breach in the mucosa of the gastrointestinal
tract as a result of caustic effects of acid and pepsin in the lumen. A peptic ulcer
may develop in any part of the gastrointestinal tract exposed to acid and pepsin.
The most common locations are the stomach and duodenal bulb, but peptic ulcer may
also develop in the esophagus in gastro-oesophageal reflux diseases, and in the distal
ileum as a result of a Meckel's diverticulum lined with heterotopic gastric mucosa.