Endoscopic Ultrasound‐Guided, Needle‐based Confocal Laser Endomicroscopy in the Diagnosis of Cystic Pancreatic Neuroendocrine Tumor: Emerging Imaging Criteria From Surgical Pathologic Correlation in Two Cases: 248. (October 2015) - Tsujino, Takeshi; Samarasena, Jason; Chang, Kenneth