According to the Pet Education website, mast cells normally occur in the skin and other tissues, such as the intestines and respiratory tract. Mast cell tumors are formed from many of these mast cells. Pugs are especially vulnerable to this form of cancer.
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Predisposition
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Pet Education explains that boxers, Boston terriers, pugs, English bulldogs and golden retrievers face an increased risk of mast cell cancer. Canine Cancer Awareness agrees that boxers and pugs are particularly susceptible to this form of cancer by heredity.
Appearance
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Mast cell tumors can be found on any part of the body, although they are commonly found on the trunk, limbs and genital areas. According to Pet Education, the tumors can be numerous or few, and can be smooth or bumpy. Canine Cancer Awareness indicates that the tumors may be either soft or solid.
Warning Signs
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Dogs with mast cell cancer can show symptoms like vomiting, bloody stool and abnormal blood clotting.
Treatment
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Most mast cell tumors will be surgically removed. The medical team will "stage" the tumor based on its severity. Tumors range from Stage 0 to Stage IV. Depending on the number and stage of tumors, radiation, chemotherapy or additional surgeries may be required.
Prognosis
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The severity and number of tumors will affect the prognosis. According to Pet Education, dogs with tumors on the limbs have the best prognosis. Dogs with tumors in the internal organs have the worst prognosis.
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