Congenital umbilical hernias occur frequently in puppies and are caused when the small opening of the umbilicus does not close at birth. A small protrusion is observed, which is resorbed when pressure is placed on it. Although they pose no real danger to the animal, they can generally be corrected by surgery. Diaphragmatic hernias occur as a result of a diaphragmatic trauma that allows part of the abdominal viscera to pass into the thoracic cavity. These hernias cause respiratory and digestive problems that require surgery.
Perineal hernias are found in certain breeds such as the German Shepherd. They are characterized by the formation of multiple fistulas around the anus, which converge into a circular mass that may or may not be ulcerated. A malodorous pus oozes from this mass, which leads to constant licking and difficulty defecating. These lesions are never resorbed and require surgical treatment.
In addition to all these disorders, benign or malignant tumors can develop in the digestive tract. As the dog ages, close attention must be paid to the slightest sign of a digestive disorder.
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