Part I. Acute Pancreatitis Epidemiology and Pathophysiology of Acute Pancreatitis Anil B. Nagar and Fred S. Gorelick Diagnosis and Risk Stratification of Acute Pancreatitis Frank R. Burton Gallstone Pancreatitis Matthias Kraft and Markus M. Lerch Other Causes of Acute Pancreatitis Charles D. Ulrich, II Treatment of Mild Acute Pancreatitis and Prevention of Post-Endoscopic Retrograde Cholangiopancreatography Pancreatitis Michael Morelli and Lehel Somogyi Treatment of Severe Acute Pancreatitis Peter Draganov Pancreatic Necrosis and Infections in Patients With Acute Pancreatitis Michael L. Kendrick and Michael G. Sarr Pancreatic Fluid Collections and Pseudocysts in Patients With Acute Pancreatitis Michael F. Byrne and John Baillie Part II. Chronic Pancreatitis Epidemiology of Chronic Pancreatitis Albert B. Lowenfels and Patrick Maisonneuve Risk, Etiology, and Pathophysiology of Chronic Pancreatitis David C. Whitcomb Natural History of Chronic Pancreatitis Supot Pongprasobchai and Jonathan E. Clain Diagnosis of Chronic Pancreatitis Chris E. Forsmark Treatment of Chronic Pancreatitis Pain: Overview and Medical Management Phillip P. Toskes Endoscopic Approach to Chronic Pancreatitis Lee McHenry, Glen Lehman, and Stuart Sherman Surgery for Chronic Pancreatitis Martin D. Smith, Elias Degiannis, and Selwyn M. Vickers Treatment of Exocrine Pancreatic Insufficiency Supot Pongprasobchai and Eugene P. DiMagno Complications of Chronic Pancreatitis John Petersen and Chris E. Forsmark Index