Canine insulinoma is the neoplastic growth of the beta cells of the pancreas. in man 90% of the growths are found to be benign while in the dog reports say 69-81% of the growths are malignant (2,7). A malignant canine insulinoma denotes a functional neoplasm secreting excessive amounts of insulin or what some authors term inappropriate release of insulin.
Siddons, Earl B. and Carithers, R. W.
Iowa State University Veterinarian: Vol. 38
, Article 4.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol38/iss2/4