The oral cavity and pharynx ranks fourth in incidence of malignant neoplasms in the domestic dog. Among them, melanoma is the most prevalent, accounting for a third of oral cancer, followed by fibrosarcoma and squamous cell carcinoma. In general, males are more frequently affected than females and in most cases affect animals of average age advanced, though not rare that young animals are affected. Breeds such as the Cocker Spaniel, the German Shepherd and Boxer are widely cited as the most predisposed to neoplastic formations. Many types of treatments have been studied in addition to conventional surgery, radiotherapy, chemotherapy, cryosurgery, photodynamic therapy and immunotherapy or some combination of these, but still the treatment of choice is surgery. The quest for prevention, early diagnosis and more effective treatments contribute to a significant increase in patient survival, and so it is extremely important to know the epidemiology of canine patients with oral cancer. The objective of this project is to perform a retrospective and prospective analysis of dogs with oral cancer, between the period January 2010 to December 2013, at the Laboratory of Comparative Dentistry in Veterinary Hospital for the Small Animal FMVZ - USP, in Oncology Services Anhembi Morumbi University and the PROVET - Center for Veterinary Diagnostics and Specialty and ODONTOVET - Veterinary Dental Center, located in the city of São Paulo, to establish a multicenter epidemiological profile of the canine patient with oral cancer.
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