This paper is aimed at reporting five cases of neoplasms of the tongue in dogs. The clinical signs most observed were ptyalism, halitosis and hyporexia. After excisional biopsy the histological findings revealed two cases of melanoma, one case of histiocytoma, one case of fibrosarcoma and one case of mast cell tumor grade II, but in this case the owner didn't authorize any form of treatment. The treatments for the others cases were the partial glossectomy, and in the fibrosarcoma's case the chemotherapy was associated. Two animals had suture deiscencia in the post operatory, but in these cases it wasn't necessary another surgery. About the prognostic, the patients with histiocytoma, fibrosarcoma and one with melanoma didn't present cancer recurrence either metastasis 12 months after the surgery. But in another melanoma case the patient presented skin and lungs metastasis 30 day after surgery.
dog's diseases; neoplasms of the tongues; oncology
