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Autoimmune pancreatitis with pseudocysts
Tomoyasu Nishimura1, Tatsuhiro Masaoka, Hidekazu Suzuki
1Department of Internal Medicine, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan.
Journal of Gastroenterology
|November 19, 2004
Summary
This case report highlights autoimmune pancreatitis (AIP) complicated by pancreatic pseudocysts. Early diagnosis and recognition of this rare AIP manifestation are crucial for effective patient management.
Area of Science:
- Gastroenterology
- Immunology
- Radiology
Background:
- Autoimmune pancreatitis (AIP) is a chronic inflammatory condition of the pancreas.
- It is characterized by specific serological and histopathological findings.
- AIP can present with diverse clinical manifestations.
Observation:
- A 47-year-old woman presented with fever, upper abdominal, and back pain.
- Elevated serum amylase, C-reactive protein (CRP), and IgG4 levels were noted.
- Abdominal CT revealed pancreatic enlargement and pseudocysts; ERP showed main pancreatic duct narrowing.
Findings:
- Histopathology confirmed fibrotic changes with lymphocytic infiltration.
- The patient met the diagnostic criteria for autoimmune pancreatitis (Japan Pancreas Society, 2002).
- This case demonstrates AIP complicated by pancreatic pseudocyst formation.
Implications:
- Autoimmune pancreatitis can lead to the development of pancreatic pseudocysts, a rare complication.
- Recognition of this association is vital for accurate diagnosis and treatment of AIP.
- Further research into AIP-associated pseudocysts may improve patient outcomes.