autoimmune pancreatitis
- related: GI gastroenterology
- pathophysiology: unclear
- systemic fibroinflammatory disease
- sx:
- painless jaundice
- IgG4-related associations: sialadenitis, probable retroperitoneal fibrosis
- dx
- imaging: sausage shaped pancreas
- abundant IgG4-producing plasma cells seen on tissue biopsy
- treatment: prednisone