Malignant Pancreatic Somatostatinoma

**Semantic type:** Neoplastic Process

**Definition:** A neuroendocrine tumor that arises from the delta cells of the pancreas. It is characterized by inappropriate secretion of somatostatin and associated with diabetes mellitus, hypochlorhydria, gallbladder disease, diarrhea, steatorrhea, anemia, and weight loss. It displays vascular invasion and metastasizes to other anatomic sites.

**Synonyms:** - Pancreatic Delta Cell Carcinoma - Pancreatic Malignant Somatostatinoma