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Primary sclerosing cholangitis with partial steroid responsiveness: a case report.
Satoshi Yamamoto1, Kazuo Inui2, Yoshiaki Katano1
1Department of Gastroenterology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan.
Fujita Medical Journal
|May 26, 2023
Summary
This case highlights a diagnostic challenge where eosinophilic cholangiopathy mimicked IgG4-related sclerosing cholangitis and primary sclerosing cholangitis, ultimately requiring surgical intervention.
Area of Science:
- Gastroenterology
- Hepatology
- Immunology
Background:
- IgG4-related sclerosing cholangitis (IgG4-SC) can present with biliary stenosis.
- Distinguishing IgG4-SC from primary sclerosing cholangitis (PSC) can be challenging.
- Eosinophilic infiltration in the bile duct is an uncommon finding.
Purpose of the Study:
- To describe a complex case of biliary disease with overlapping features of IgG4-SC, PSC, and eosinophilic infiltration.
- To analyze the diagnostic and therapeutic challenges in managing such a condition.
Main Methods:
- Review of clinical presentation, imaging, laboratory data, and histopathology.
- Analysis of treatment response to corticosteroids and surgical interventions.
- Comparison of histopathology from multiple surgical specimens.
Main Results:
- Initial presentation suggested IgG4-SC, responding to prednisolone, but later findings pointed towards PSC.
- A pancreatoduodenectomy specimen showed PSC, while a subsequent hepatectomy specimen revealed significant eosinophilic infiltration.
- Eosinophilic colitis recurred and was managed with prednisolone, indicating superimposed eosinophilic cholangiopathy.
Conclusions:
- Eosinophilic cholangiopathy can mimic or be superimposed on PSC, posing diagnostic difficulties.
- Steroid therapy may provide temporary relief but is insufficient for definitive management of eosinophilic cholangiopathy.
- Multidisciplinary evaluation and histopathological analysis are crucial for accurate diagnosis and treatment of complex biliary disorders.
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