Pancreatic Neuroendocrine Tumor

**Semantic type:** Neoplastic Process

**Definition:** A well-differentiated, low-, intermediate-, or high-grade neoplasm with neuroendocrine differentiation that arises from the islet cells of the pancreas. According to the presence or absence of clinical syndromes that result from hormone hypersecretion, pancreatic neuroendocrine tumors are classified either as functional or nonfunctional.

**Synonyms:** - Islet Cell Tumor - Islet cell tumors - pancreas - Islet cell tumors of the pancreas - PanNET - Pancreatic NET - Pancreatic Well Differentiated Neuroendocrine Neoplasm - Pancreatic Well-Differentiated Neuroendocrine Neoplasm - Well Differentiated Pancreatic Endocrine Neoplasm - Well Differentiated Pancreatic Neuroendocrine Neoplasm - Well-Differentiated Pancreatic Endocrine Neoplasm - Well-Differentiated Pancreatic Neuroendocrine Neoplasm - islet cell tumor