Hepatic Pseudolymphoma Mimicking Neoplasia in Primary Biliary Cholangitis: A Rare Case Report

Understanding Hepatic Pseudolymphoma (HPL): HPL, also known as reactive lymphoid hyperplasia, is a rare benign lesion characterized by polyclonal lymphocyte proliferation. Though it has been reported in various organs, its presence in the liver remains uncommon. This condition is often associated with immune-mediated inflammation, as seen in PBC.

Case Summary:

  • Patient: A 63-year-old woman with a history of PBC.
  • Symptoms: Incidentally detected liver nodule during routine imaging.
  • Imaging Findings:
    • Hypoechoic liver lesion (16mm) with no arterial enhancement on CT.
    • MRI revealed T2 hyperintensity and diffusion restriction.
  • Diagnosis Approach:
    • Given the indistinct radiological features, a histopathological examination was performed.
    • Biopsy confirmed HPL through immunohistochemistry, revealing polyclonal lymphoid proliferation with no malignant transformation.

Further Reading and Resources:

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