TY - CHAP M1 - Book, Section TI - Chapter 4. Surgery of the Endocrine Pancreas A1 - Saunders, Brian D. A1 - Doherty, Gerard M. A2 - Minter, Rebecca M. A2 - Doherty, Gerard M. PY - 2010 T2 - Current Procedures: Surgery AB - Tumors may be functional (ie, a clinical syndrome of excessive levels of such hormones as insulin, gastrin, VIP, somatostatin, and glucagon) or nonfunctional (ie, normal serum marker levels [excluding pancreatic polypeptide, chromogranin A]).Tumors may be sporadic or a manifestation of an inherited endocrinopathy (multiple endocrine neoplasia type 1 [MEN-1], von Hippel-Lindau [VHL]).Nonfunctional tumors demonstrable via radiologic examination should be resected.All functional tumors should be resected.Sinistral portal hypertension. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/29 UR - accesssurgery.mhmedical.com/content.aspx?aid=6562108 ER -