Cystic pancreatic neuroendocrine tumor. Pancreatic endocrine or neuroendocrine tumor. Endoscopic ultrasonography.

Cystic pancreatic neuroendocrine tumors (cPNETs) represent less than 8% of all pancreatic cysts and approximately 13% of pancreatic endocrine tumors (PNETs). According to a recent review, the percentage of non-functional (NF) PNETs is 85% and 44.6% are incidentalomas.