A<unk>  is a rare tumour that is typically found in the duodenum and consists of three components: (1) ganglion cells, (2) epithelioid cells<unk> -like) and, (3) spindle cells (schwannoma-like).
Gangliocytic paraganglioma
Glomus tumor
Pineocytoma
Pheochromocytoma
Paraganglioma
Somatostatinoma
Gastrinoma
Oncocytoma