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- Title
A rare case of type 1 autoimmune pancreatitis combined with a pancreatic neuroendocrine tumor.
- Authors
Chang, Che‐Yung; Chuang, Shih‐Chang; Ma, Yu‐Chun
- Abstract
Type 1 autoimmune pancreatitis (AIP) is seen as a pancreatic manifestation of immunoglobulin G4-related disease (IgG4-RD), histopathologically characterized by infiltration of IgG4 positive lymphoplasmacytes, obliterative phlebitis and storiform fibrosis.[1] Despite many guidelines for AIP being established in recent years, differentiating between AIP and pancreatic neoplasm is still challenging in some atypical cases, especially in locally enlarged pancreatic tumors. Histopathological examination showed storiform fibrosis and dense lymphoplasmacytic infiltration with increased number of IgG4-positive plasma cells up to 150 per high power field (Figures 1B,C), consistent with type 1 autoimmune pancreatitis.
- Subjects
NEUROENDOCRINE tumors; PANCREATITIS; PANCREATIC tumors
- Publication
Kaohsiung Journal of Medical Sciences, 2023, Vol 39, Issue 2, p191
- ISSN
1607-551X
- Publication type
Article
- DOI
10.1002/kjm2.12641