Small Intestinal Composite Gangliocytoma/Neuroma and Neuroendocrine Tumor

**Semantic type:** Neoplastic Process

**Definition:** A usually indolent neuroendocrine neoplasm that arises in the small intestine. Patients may present with gastrointestinal hemorrhage. It is a triphasic tumor consisting of a mixture of epithelioid neuroendocrine cells, Schwann-like cells, and ganglion cells.

**Synonyms:** - Small Intestinal CoGNET - Small Intestinal Gangliocytic Paraganglioma