Presentation An eight-year-old female spayed bulldog presents for a four-month history of intermittent right-sided epistaxis. Photo courtesy Dr. Kendra A. Freeman Challenge 1) The most common benign oral tumor in dogs is _______. a. Melanoma b. Acanthomatous ameloblastoma c. Squamous cell carcinoma d. Fibroma 2) Osteosarcoma is more commonly found in the mandible vs. the maxilla. a. True b. False 3) For benign and malignant canine oral masses, what is the most common location for the masses? a. Tongue b. Tonsil c. Gingiva d. Hard palate Reference Satthathum C, Srisampane S, Jariyarangsrirattana P, Anusorn P, Sattasathuchana P, Thengchaisri N. Characteristics of canine oral tumors: Insights into prevalence, types, and lesion distribution. J Adv Vet Anim Res. 2023 Sep 30;10(3):554-562.