Medical News Today
Prepyloric ulcers are a type of peptic or gastric ulcer. These open sores develop in the upper digestive tract, just above the pylorus, which is the opening to the small intestine.
The tissues of the digestive system have natural defenses against acidic digestive fluids. However, certain factors can undermine these natural defenses, damaging the mucosal lining and causing ulcers. Damaging factors include bacterial infection, taking certain medications, and smoking.
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