RT Book, Section A1 Saunders, Brian D. A1 Doherty, Gerard M. A2 Minter, Rebecca M. A2 Doherty, Gerard M. SR Print(0) ID 510130040 T1 Chapter 4. Surgery of the Endocrine Pancreas T2 CURRENT Procedures: Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-145316-5 LK accessanesthesiology.mhmedical.com/content.aspx?aid=510130040 RD 2024/03/29 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.