In developed countries, most patients with chronic pancreatitis have a long history of alcohol abuse. Alcohol-induced chronic pancreatitis is characterized by recurrent attacks of abdominal pain, irregular dilatation of the pancreatic duct with stone formation, atrophy of the pancreatic parenchyma, and pancreatic exocrine and endocrine insufficiency. A unique form of chronic pancreatitis characterized by infrequent attacks of abdominal pain, irregular narrowing of the pancreatic duct, and swelling of the pancreatic parenchyma has been described. It has been referred to as sclerosing pancreatitis, 1 primary inflammatory pancreatitis, 2 , 3 lymphoplasmacytic sclerosing pancreatitis, 4 autoimmune pancreatitis, 5 – 8 chronic pancreatitis with diffuse irregular narrowing of the . . .