label: Duodenal Composite Gangliocytoma/Neuroma and Neuroendocrine Tumor
label_lc: duodenal composite gangliocytoma/neuroma and neuroendocrine tumor
description: A neoplasm that arises from the duodenum and consists of a mixture of neuroendocrine cells, Schwann-like cells, and ganglion cells. It was formerly known as gangliocytic paraganglioma.