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Clinical and pathophysiological issues associated with type 1 autoimmune pancreatitis
Kazushige Uchida1, Hideaki Miyoshi2, Tsukasa Ikeura2
1Department of Gastroenterology and Hepatology, Kansai Medical University, 10-15 Shinmachi, Hirakata, Osaka, 573-1010, Japan. uchidak@hirakata.kmu.ac.jp.
Clinical Journal of Gastroenterology
|February 12, 2016
Summary
Autoimmune pancreatitis (AIP) has two types: type 1, linked to IgG4-related disease (IgG4-RD), and type 2. This overview focuses on type 1 AIP, highlighting recent advancements and remaining challenges in its clinical and basic understanding.
Area of Science:
- Gastroenterology
- Immunology
- Pathology
Background:
- Autoimmune pancreatitis (AIP) concept introduced in 1995.
- AIP comprises two subtypes: type 1 (IgG4-related disease manifestation) and type 2 (granulocytic epithelial lesions).
- Type 2 AIP is considered rare in Japan.
Purpose of the Study:
- To provide an overview of recent clinical and basic issues concerning type 1 AIP.
- To discuss advancements in understanding type 1 AIP's clinical features, diagnosis, treatment, and pathogenesis.
- To identify unresolved clinical and basic challenges in type 1 AIP.
Main Methods:
- Review of recent clinical and basic research on type 1 AIP.
- Analysis of diagnostic criteria, including International Consensus Diagnostic Criteria (ICDC) and Japan Pancreas Society (JPS) 2011 criteria.
- Synthesis of current knowledge on IgG4-related disease (IgG4-RD) in the context of type 1 AIP.
Main Results:
- Significant progress has been made in understanding type 1 AIP's clinical features, diagnosis, treatment, and pathogenesis.
- The Japan Pancreas Society (JPS) 2011 criteria, based on ICDC, simplify type 1 AIP diagnosis.
- Despite advancements, numerous clinical and basic questions regarding type 1 AIP persist.
Conclusions:
- Type 1 AIP, a manifestation of IgG4-related disease, requires ongoing research.
- Further investigation is needed to address the remaining clinical and basic issues in type 1 AIP.
- Continued efforts are essential for improving the diagnosis and management of type 1 AIP.
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