Pancreatic neuroendocrine tumors (PanNETs) represent a morphologically heterogeneous group which can prove challenging for pathologists to diagnose by cytology. The index case was initially misdiagnosed on an endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) as metastatic pancreatic adenocarcinoma with signet ring cell morphology; however. the resected surgical pathology s... https://www.itsmajorlook.com/