Contrary to previous reports, we observed both relapse and pancreatic stone formation in some patients with autoimmune pancreatitis, which suggests that autoimmune pancreatitis has the potential to be a progressive disease with pancreatic stones.

Hilar and pancreatic accumulation of gallium-67 is a characteristic feature of autoimmune pancreatitis during the active stage of the disease, when IgG4 serum levels are high.

No abstract

A swollen main duodenal papilla was a characteristic finding in patients with sclerosing pancreatitis. T-lymphocyte infiltration is present in the swollen main duodenal papilla. These features may be useful in the diagnosis of sclerosing pancreatitis.