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Section: Overview
The pylorus is the lower portion of the stomach that leads into the small intestine. Pyloric obstruction or stenosis usually refers to a thickening of the various layers of muscle and mucosa (stomach lining tissue) that make up this region, leading to obstruction of flow of food or water through the stomach. This thickening is a benign, non-cancerous process.Pyloric obstruction or stenosis is most commonly seen in brachycephalic (short-faced) breeds of dog such as boxers, Boston terriers and bulldogs. These dogs tend to be young and predominantly male. It can also occur as a more chronic condition in small breeds of dog such as Lhasa apso, shih tzu and Maltese terrier. These dogs tend to be middle-aged to older.If food and water cannot move through the stomach, the dog will regurgitate or vomit and become sick, dehydrated, and depressed.
At one time or another your dog may have a bout of vomiting, usually from eating too much or too fast. Vomiting may be just a sign of a minor problem – or it could be something very serious.
Unlike vomiting, regurgitation is not accompanied by nausea and does not involve forceful abdominal contractions. It is a symptom of esophageal disease and not a disorder in itself.
An endoscope is a long, flexible tube with a tiny camera at the tip that is used to look at the inner lining of the throat, stomach and intestine, colon or at the respiratory passages to help diagnose...
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