Fibrous Extracellular Spheroids in an Endoscopic Ultrasound-Guided Pancreatic Fine Needle Aspiration Correlating to a Gyriform Pancreatic Endocrine Tumor with a Unique Cobblestone Pavement Growth Pattern

• Main Authors: Alessandro Marotta (Author), Jordan P. Reynolds (Author), Thomas P. Plesec (Author), E. Rene Rodriguez (Author), Sunguk N. Jang (Author), Maria Luisa C. Policarpio-Nicolas (Author), Bridgette Springer (Author), Charles D. Sturgis (Author)
• Format: Book
• Published: Hindawi Limited, 2019-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Pancreatic neuroendocrine neoplasms (PanNENs) are uncommon tumors. Fine needle aspiration (FNA) samples from PanNENs are typically of high cellularity and lack necrosis. In cytology slides from these tumors, dyscohesive cells are usually reported with variably round to oval to plasmacytoid forms exh...