Gastrinoma
Image of pancreatic garstrinoma in a dog from Cornell Veterinary Medicine
- Described in dogs, cats
- Known as Zollinger-Ellison syndrome in humans
- Uncommon compared to beta cell neoplasms
- Excess gastrin causes hyperacidity in the stomach and mucosal hyperplasia of the antral region causing gastric and duodenal ulceration
Clinical signs
Pathology
- Multiple variably sized neoplasms
- Increased connective tissue mass - firm
- Partiallty encapsulated
- Invade locally
- Metastases to liver and local lymph nodes are common