TY - CHAP M1 - Book, Section TI - Autoimmune Pancreatitis A1 - Greenberger, Norton J. A2 - Greenberger, Norton J. A2 - Blumberg, Richard S. A2 - Burakoff, Robert PY - 2016 T2 - CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 3e AB - ESSENTIALS OF DIAGNOSISPresentation with obstructive jaundice in 50-65% of patients.Diffuse swelling and enlargement of the pancreas, especially the head, the latter mimicking carcinoma of the pancreas.Diffuse irregular narrowing of the pancreatic duct on endoscopic retrograde cholangiopancreatography (ERCP) or magnetic resonance cholangiopancreatography (MRCP).Elevated serum immunoglobulin G4 (IgG4) level.Extrapancreatic and intrahepatic bile duct strictures.Resolution or marked improvement in pancreatic and extrapancreatic manifestations after corticosteroid treatment.Pancreatic biopsies reveal extensive fibrosis and lymphoplasmacytic infiltration.HISORT criteria used to establish the diagnosis. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accessmedicine.mhmedical.com/content.aspx?aid=1119988599 ER -