ArticleClinical journal of gastroenterology2021
IgG4-related hepatic inflammatory pseudotumor mimicking cholangiolocellular carcinoma.
Article in Clinical journal of gastroenterology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 14 citations in OpenAlex.
- A Case of Transient Spontaneous Regression of Intrahepatic Cholangiocarcinoma Clinically Mimicking Inflammatory Pseudotumor: A Diagnostic Dilemma.Surgical case reports · 2026Article
- Clinicopathological Pearls and Diagnostic Pitfalls in IgG4-Related Disease: Challenging Case Series and Literature Review.Diagnostics (Basel, Switzerland) · 2025Article
- Article
- Review
- Clinicopathologic features and outcomes of hepatic inflammatory pseudotumour (IPT) and hepatic IPT-like lesions.Histopathology · 2025Article
- IgG4-related disease - focus on digestive system involvement.Frontiers in immunology · 2025Review
- An Unusual Radiologic Image of Extensive Tumor Mass Infiltrating Hepatic Hilum without Signs of Cholestasis-A Case Report and a Literature Review of Non-Cancerous Lesions Mimicking Intrahepatic Cholangiocarcinoma.Current oncology (Toronto, Ont.) · 2024Review
- A case report of IgG4-related hepatic inflammatory pseudotumor in a 3-year old boy.Frontiers in immunology · 2024Article
- IgG4-related hepatic inflammatory pseudotumor in a patient with serum IgG4-negative type 1 autoimmune pancreatitis.Clinical journal of gastroenterology · 2023Article
- A Case of Hepatic Immunoglobulin G4-Related Disease Presenting as an Inflammatory Pseudotumor and Sclerosing Cholangitis.Diagnostics (Basel, Switzerland) · 2022Article
- Imaging Spectrum of Intrahepatic Mass-Forming Cholangiocarcinoma and Its Mimickers: How to Differentiate Them Using MRI.Current oncology (Toronto, Ont.) · 2022Review
- IgG4-Related Hepatic Pseudotumor Masquerading as a Klatskin Tumor.Case reports in hepatology · 2022Article
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inflammatory pseudotumor (IPT) is a benign tumor mass composed of chronic infiltration of inflammatory cells and fibrous tissue. IgG4-RD (related disease) in the hepatobiliary system has been widely recognized and includes IgG4-related hepatic IPT. This report describes a patient with IgG4-related hepatic IPT with sclerosing cholangitis. A 75-year-old woman was admitted to our hospital for the treatment of rectal cancer. Abdominal contrast-enhanced computed tomography revealed a low-density mass, 2.5 cm in diameter, in the left lateral lobe. Magnetic resonance imaging showed that the mass was slightly hypointense on T1-weighted images and slightly hyperintense on T2-weighted images. Based on these results, we made a diagnosis of cholangiolocellular carcinoma, and we performed a left hepatectomy. Histopathological examination showed that the mass was composed of fibrous stroma with dense lymphoplasmacytic infiltration. Immunohistochemically, IgG4-positive plasma cells were observed. The final diagnosis was IgG4-related hepatic IPT with sclerosing cholangitis. IgG4-related IPT is a relatively rare disease that can occur in any organ of the body. Although the accurate diagnosis of IgG4-related hepatic IPT remains difficult, IgG4-RD should be included in the differential diagnosis of liver tumors and histological analysis performed.
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