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Related Experiment Videos

Hepatocellular carcinoma presenting as bone metastasis.

C C Liaw1, K T Ng, T J Chen

  • 1Department of Internal Medicine, Chang Gung Memorial Hospital, Taipei, Taiwan, Republic of China.

Cancer
|October 15, 1989
PubMed
Summary

Hepatocellular carcinoma (HCC) rarely presents with bone metastasis (5%). These bone metastases, often osteolytic lesions in the spine or ribs, indicate a poor prognosis with a median survival of only 5 months.

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Area of Science:

  • Oncology
  • Radiology
  • Pathology

Background:

  • Hepatocellular carcinoma (HCC) is a primary liver cancer.
  • Bone metastasis is an uncommon initial presentation of HCC.
  • Understanding the characteristics of initial bone metastasis is crucial for early diagnosis and management.

Purpose of the Study:

  • To investigate the incidence, clinical features, and outcomes of hepatocellular carcinoma patients presenting with bone metastasis.

Main Methods:

  • Retrospective analysis of 395 patients with pathologically verified HCC.
  • Detailed review of patient demographics, clinical presentation, imaging findings (CT, angiography), and survival data.
  • Comparison of characteristics between patients with and without initial bone metastasis.

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Main Results:

  • 20 patients (5%) presented with bone metastasis, predominantly affecting the spine and ribs as osteolytic lesions.
  • Clinical presentation often involved spinal cord compression or palpable masses.
  • Imaging revealed expansile soft tissue masses with bony destruction and hypervascularity.
  • No significant differences in age, sex, hepatitis B status, alpha-fetoprotein, or cirrhosis prevalence compared to non-metastatic HCC.
  • Treatment outcomes were poor, with a median survival of 5 months.

Conclusions:

  • Hepatocellular carcinoma should be considered in the differential diagnosis of patients with osteolytic bone lesions.
  • Initial bone metastasis in HCC is associated with a poor prognosis.
  • Advanced imaging techniques like CT and angiography are valuable for diagnosing bone metastasis in HCC.