Pancreatic neuroendocrine tumor
（重定向自Nesidioblast）
![](/Images/godic/202501/29/Diagram_showing_the_position_of_the_pancreas_CRUK_356.svg0735.png")
![](/Images/godic/202501/29/Diagram_showing_stage_T2_cancer_of_the_pancreas_CRUK_254.svg0735.png")
![](/Images/godic/202501/29/Diagram_showing_stage_T3_cancer_of_the_pancreas_CRUK_261.svg0735.png")
![](/Images/godic/202501/29/Diagram_showing_stage_T4_cancer_of_the_pancreas_CRUK_267.svg0735.png")
Pancreatic neuroendocrine tumors (PanNETs, PETs, or PNETs), often referred to as "islet cell tumors", or "pancreatic endocrine tumors" are neuroendocrine neoplasms that arise from cells of the endocrine (hormonal) and nervous system within the pancreas.