J Liver Cancer.  2016 Sep;16(2):151-154. 10.17998/jlc.2016.16.2.151.

Hepatic Immunoglobulin G4-related Inflammatory Pseudotumor Mimicking Hepatocellular Carcinoma

Affiliations
  • 1Department of Internal Medicine, Konkuk University Chungju Hospital, Konkuk University School of Medicine, Chungju, Korea. syko406@naver.com
  • 2Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
  • 3Department of Pathology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.

Abstract

Immunoglobulin G4-related disease is a recently recognized entity characterized by a mass-forming or regional lesion that contains an extensive infiltration of IgG4-producing plasma cells with dense fibrosis. Immunoglobulin G4-related disease can affect any organ system, but solitary hepatic lesion of Immunoglobulin G4-related disease is very rare. This entity mimics primary malignant hepatic tumor, such as hepatocellular carcinoma or intrahepatic cholangiocarcinoma. We experienced a case of hepatic IgG4-related inflammatory pseudotumor in a 50-year-old woman, mimicking hepatocellular carcinoma.

Keyword

Hepatocellular carcinoma; Inflammatory pseudotumor

MeSH Terms

Carcinoma, Hepatocellular*
Cholangiocarcinoma
Female
Fibrosis
Granuloma, Plasma Cell*
Humans
Immunoglobulins*
Middle Aged
Plasma Cells
Immunoglobulins
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