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Related Experiment Videos

Intrahepatic cholangiocarcinoma: radiologic-pathologic correlation.

P R Ros1, J L Buck, Z D Goodman

  • 1Department of Radiologic Pathology, Armed Forces Institute of Pathology, Washington, DC.

Radiology
|June 1, 1988
PubMed
Summary
This summary is machine-generated.

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Radiologic-pathologic correlation in intrahepatic cholangiocarcinoma (ICAC) reveals common CT findings of homogeneous low-attenuation masses. Key differentiating features include echogenicity, calcification, and uncommon venous invasion, aiding distinction from hepatocellular carcinoma.

Area of Science:

  • Radiology
  • Pathology
  • Oncology

Background:

  • Intrahepatic cholangiocarcinoma (ICAC) is a primary liver malignancy.
  • Accurate radiologic diagnosis is crucial for patient management.
  • Distinguishing ICAC from other liver tumors, like hepatocellular carcinoma, presents challenges.

Purpose of the Study:

  • To establish a radiologic-pathologic correlation for intrahepatic cholangiocarcinoma (ICAC).
  • To identify imaging features that help differentiate ICAC from other intrahepatic tumors.

Main Methods:

  • Retrospective review of seventeen proved cases of intrahepatic cholangiocarcinoma (ICAC).
  • Analysis of imaging findings from computed tomography (CT), angiography, sonography, plain abdominal radiography, and upper gastrointestinal series.

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  • Correlation of imaging findings with pathologic examination results.

    • Main Results:

    • The most common CT appearance of ICAC is a single, homogeneous low-attenuation mass.
    • Angiography showed variable patterns (avascular, hypovascular, hypervascular).
    • Sonography commonly revealed homogeneously hyperechoic masses; calcification was noted in some cases.

    Conclusions:

    • Homogeneous echogenicity/high attenuation, calcification, and uncommon portal/hepatic vein invasion are helpful in differentiating ICAC from hepatocellular carcinoma.
    • Satellite lesions can complicate the distinction from metastatic liver disease.