1) What percent of incidentally, non-ruptured splenic masses are benign? c) 70 percent1 2) In dogs less than 44 pounds with a hemoabdomen, what organ is most likely to be the source of the bleeding? a) Liver2 3) What abnormalities are associated with perioperative mortality with splenic masses? d) All of the above3 References Cleveland, M. J., & Casale, S. (2016). Incidence of malignancy and outcomes for dogs undergoing splenectomy for incidentally detected nonruptured splenic nodules or masses: 105 cases (2009–2013). Journal of the American Veterinary Medical Association, 248(11), 1267-1273. https://pubmed.ncbi.nlm.nih.gov/27172343 Fleming, J., Giuffrida, M. A., Runge, J. J., Balsa, I. M., Culp, W. T., Mayhew, P. D., ... & Epstein, S. E. (2018). Anatomic site and etiology of hemorrhage in small versus large dogs with spontaneous hemoperitoneum. Veterinary Surgery, 47(8), 1031-1038. https://pubmed.ncbi.nlm.nih.gov/30246401 Wendelburg, K. M., O'Toole, T. E., McCobb, E., Price, L. L., Lyons, J. A., & Berg, J. (2014). Risk factors for perioperative death in dogs undergoing splenectomy for splenic masses: 539 cases (2001–2012). Journal of the American Veterinary Medical Association, 245(12), 1382-1390. https://pubmed.ncbi.nlm.nih.gov/25459483