VIP-Producing Neuroendocrine Tumor

**Semantic type:** Neoplastic Process

**Definition:** An often clinically aggressive neuroendocrine tumor located in the pancreas or small intestine. It is composed of cells containing vasoactive intestinal peptide. It may cause intractable diarrhea and metabolic disturbances.

**Synonyms:** - VIP Producing Neoplasm - VIP- Secreting Neoplasm - VIP- Secreting Tumor - VIP-Producing NET - VIPoma - Vasoactive Intestinal Peptide Producing Neoplasm - Vasoactive Intestinal Peptide Producing Tumor - Vasoactive Intestinal Peptide Secreting Neoplasm - Vipoma, NOS