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Orphanet Journal of Rare Diseases
Published in: Orphanet Journal of Rare Diseases 1/2019

Open Access 01-12-2019 | Autoimmune Pancreatitis | Research

Untypical autoimmune pancreatitis and pancreatic cancer: differential diagnosis experiences extracted from misdiagnose of two cases

Published in: Orphanet Journal of Rare Diseases | Issue 1/2019

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Abstract

Background

Differentiation between pancreatic cancer (PC) and focal form of autoimmune pancreatitis (AIP) is very challenging, with similar clinical presentations, laboratory results and morphologic imagings of US, CT, EUS, MRI, ERCP, PET-CT. Even serum IgG4 and biopsy sometimes cannot give clear-cut differential accurate diagnostis. Considering the totally different management strategy of the two diseases, accurate diagnostic value is urgently needed to remind the clinicians of the rare diagnosis of untypical AIP among frequent PC-suspected patients.

Results

We present 2 laparotomy cases of AIP that had a high similar characteristic to PC and retrospectively extracted the warning signs that may help select untypical AIP in PC-suspected patients.

Conclusions

We find that mild fluctuating jaundice with abdominal pain, young age, tumor marker of TPS, TPA and diverse results between variable radiological tests can help to differentiate AIP mass from PC, through retrospectively analyzing work-up process of AIP in two patients who underwent laparotomy for suspected PC.
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Metadata
Title
Untypical autoimmune pancreatitis and pancreatic cancer: differential diagnosis experiences extracted from misdiagnose of two cases
Publication date
01-12-2019
Published in
Orphanet Journal of Rare Diseases / Issue 1/2019
Electronic ISSN: 1750-1172
DOI
https://doi.org/10.1186/s13023-019-1217-z

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