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J Liver Cancer > Volume 16(2); 2016 > Article
Journal of Liver Cancer 2016;16(2):151-154.
DOI: https://doi.org/10.17998/jlc.16.2.151    Published online September 30, 2016.
Hepatic Immunoglobulin G4-related Inflammatory Pseudotumor Mimicking Hepatocellular Carcinoma
Seung Heon Kang1, Sang Hoon Park1, Ho Hyun Park1, Jeong Rok Lee1, Won Hyeok Choe2, So Dug Lim3, Soon Young Ko1
1Department of Internal Medicine, Konkuk University Chungju Hospital, Konkuk University School of Medicine, Chungju, Korea
2Departments of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
3Departments of Pathology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
Correspondence:  Soon Young Ko,
Email: syko406@naver.com
Copyright ©2016 by The Korean Liver Cancer Association
Abstract
Immunoglobulin G4-related disease is a recently recognized entity characterized by a massforming 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.
Key Words: Hepatocellular carcinoma; Inflammatory pseudotumor
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