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In about one fifth of the dogs with a mastocytoma, feeding instability, vomiting, tarry stools and anemia occur as a result of gastric or duodenal ulcers, [10] in autopsies such ulcers are even detected in more than 80% of patients. [18] About 80% of the dogs with such ulcers are euthanized due to poor general condition. [19]
A vaccine-associated sarcoma (VAS) or feline injection-site sarcoma (FISS) is a type of malignant tumor found in cats (and, often, dogs and ferrets) which has been linked to certain vaccines. VAS has become a concern for veterinarians and cat owners alike and has resulted in changes in recommended vaccine protocols.
This list of dog diseases is a selection of diseases and other conditions found in the dog. Some of these diseases are unique to dogs or closely related species, while others are found in other animals, including humans.
Overweight female dogs are especially prone to developing these tumors, and most older or overweight dogs have at least one lipoma. [46] [47] In dogs, lipomas usually occur in the trunk or upper limbs. [45] They are also found less commonly in cattle and horses, and rarely in cats and pigs.
Most commonly histiocytomas are found in young dogs and appear as a small, solitary, hairless lump, [6] although Shar Peis may be predisposed to multiple histiocytomas. [7] They are most commonly found on the head, neck, ears, and limbs, and are usually less than 2.5 cm in diameter. [8] Ulceration of the mass is common.
Dog with atopic dermatitis, with signs around the eye created by rubbing. Atopy is a hereditary [3] and chronic (lifelong) allergic skin disease. Signs usually begin between 6 months and 3 years of age, with some breeds of dog, such as the golden retriever, showing signs at an earlier age.
Soft-tissue sarcomas commonly originate in the upper body, in the shoulder or upper chest. Some symptoms are uneven posture, pain in the trapezius muscle, and cervical inflexibility [difficulty in turning the head]. [12] The most common site to which soft-tissue sarcoma spreads is the lungs. [13]
In dogs, autoimmune skin diseases are usually not detected until visible symptoms appear, which differs from detection in humans who are able to verbally express their concerns. [2] Genetics , nutrition, and external environmental factors all collectively contribute to increasing the probability an autoimmune skin disease occurring. [ 3 ]