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| Ulcer - perforation and penetration of gastric or duodenal ulcer [Go Back to Keywords List Page]  | perforation and penetration of gastric or duodenal ulcer
Penetration and perforation are complications of an ulcer in
the stomach or upper intestines. An ulcer is a sore on a
tissue surface that causes the layers of tissue to break
down. When an ulcer makes a hole in the tissue it is called
perforation. When an ulcer spreads to other nearby organs
or tissues it is called a penetrating ulcer. These two
types of ulcers are severe and life-threatening if not
treated.
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