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Sclerosing hepatocellular carcinoma with hypercalcemia--a case report
F Yamashita1, T Iwao, T Torimura
1Department of Internal Medicine, Kurume University School of Medicine, Japan.
The Kurume Medical Journal
|January 1, 1992
Summary
A rare case of sclerosing hepatocellular carcinoma (SHCC) with hypercalcemia was documented. Tumor resection normalized high serum calcium levels, suggesting a paraneoplastic syndrome.
Area of Science:
- Hepatobiliary Medicine
- Oncology
- Surgical Pathology
Background:
- Sclerosing hepatocellular carcinoma (SHCC) is a rare variant of hepatocellular carcinoma (HCC).
- Hypercalcemia is an uncommon paraneoplastic syndrome associated with various malignancies, including HCC.
- This report details a unique case of SHCC presenting with significant hypercalcemia.
Observation:
- A patient presented with a liver hilum tumor invading the bile duct.
- Histopathological examination revealed moderately differentiated HCC with a trabecular pattern and a diffuse fibrous stroma.
- Electron microscopy identified abundant dense granules within the tumor cell cytoplasm.
Findings:
- The patient exhibited markedly elevated serum calcium levels (13.9 mg/dl).
- Surgical resection of the SHCC tumor was performed.
- Post-operatively, serum calcium levels returned to the normal range.
Implications:
- This case highlights the potential for SHCC to cause hypercalcemia as a paraneoplastic phenomenon.
- Surgical intervention can effectively resolve hypercalcemia associated with SHCC.
- Further research into the mechanisms of paraneoplastic hypercalcemia in SHCC is warranted.