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Related Experiment Video

Updated: Jan 29, 2026

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Primary Hepatic Angiosarcoma: Distinct Imaging Phenotypes Mirroring Histopathologic Growth Patterns in a

Byoung Je Kim1, Jung Hee Hong1, Hye Won Lee2

  • 1Department of Radiology, Keimyung University Dongsan Hospital, Keimyung University School of Medicine, 1035, Dalgubeol-daero, Dalseo-gu, Daegu 42601, Republic of Korea.

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|January 28, 2026
PubMed
Summary
This summary is machine-generated.

Radiologic and pathologic classifications of primary hepatic angiosarcoma align closely, especially distinguishing between mass-forming and non-mass-forming tumors. This correlation aids in understanding the imaging features of this rare liver cancer.

Keywords:
computed tomographyhistologic growth patternliver neoplasmmagnetic resonance imagingnon-mass-forming lesionsprimary hepatic angiosarcomaradiologic–pathologic correlationretrospective studyvasoformative pattern

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Area of Science:

  • Radiology
  • Pathology
  • Hepatology

Background:

  • Primary hepatic angiosarcoma lacks prior radiologic-histologic correlation studies.
  • Understanding imaging characteristics is crucial for diagnosing this rare malignancy.

Purpose of the Study:

  • To correlate radiologic findings with distinct histologic patterns of primary hepatic angiosarcoma.
  • To clarify imaging features based on histological classification.

Main Methods:

  • Retrospective analysis of 17 patients with pathologically confirmed primary hepatic angiosarcoma.
  • Review of computed tomography (CT) and magnetic resonance imaging (MRI) scans by two radiologists.
  • Classification of histologic patterns (mass-forming vs. non-mass-forming) and radiologic findings.

Main Results:

  • A significant correlation (p < 0.05) was found between radiologic and pathologic classifications (mass-forming vs. non-mass-forming).
  • Mass-forming tumors were identified in 76.5% of cases, and non-mass-forming in 23.5%.
  • Histologic subtypes (vasoformative vs. non-vasoformative) did not correlate with hypervascularity on imaging.

Conclusions:

  • Radiologic classification of primary hepatic angiosarcoma closely mirrors its pathologic classification into mass-forming and non-mass-forming types.
  • Imaging findings strongly reflect underlying pathological features.
  • This correlation enhances diagnostic accuracy for hepatic angiosarcoma.