Korean J Pancreas Biliary Tract.  2016 Jul;21(3):180-184. 10.15279/kpba.2016.21.3.180.

Liver Inflammatory Pseudotumor Mimicking Cholangiocarcinoma

  • 1Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea. smild123@yonsei.ac.kr
  • 2Department of Radiology, Yonsei University Wonju College of Medicine, Wonju, Korea.
  • 3Department of Pathology, Yonsei University Wonju College of Medicine, Wonju, Korea.


Inflammatory pseudotumor of the liver is a benign disease which is histologically characterized by plasma cell infiltration and reactive fibrotic inflammation. Differentiating this disease from malignant tumor is not easy. The authors report a case of inflammatory pseudotumor mimicked as intrahepatic cholangiocarcinoma. A 74-year-old man visited the emergency department complaining of jaundice and myalgia which have lasted for 1 to 2 weeks. After computed tomography (CT) scan and magnetic resonance imaging of the liver, he was initially diagnosed with intrahepatic cholangiocarcinoma, but was ultimately found to be inflammatory pseudotumor after pathologic examination of the liver tissue. His symptoms improved after a course of antibiotic therapy and conservative treatment, and the lesion disappeared on follow-up CT scan.


Liver; Cholangiocarcinoma; Inflammatory pseudotumor
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