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Malignant epithelioid hemangioendothelioma: a case report
Khouloud Bouslama1, Fatma Houissa, Majd Ben Rejeb
1Department of Hepatology and Gastroenterolog, Charles Nicolle's Hospital, Tunis-Tunisia.
Oman Medical Journal
|April 20, 2013
Summary
Malignant epithelioid hemangioendothelioma (EH), a rare vascular tumor, can present as multiple liver masses. Accurate diagnosis via histopathology and immunohistochemistry is crucial for effective treatment, such as partial hepatectomy.
Area of Science:
- Oncology
- Pathology
- Vascular Biology
Background:
- Malignant epithelioid hemangioendothelioma (EH) is a rare vascular neoplasm.
- EH can present as multiple hepatic lesions, posing diagnostic challenges.
- Distinguishing EH from other liver malignancies is critical for patient management.
Observation:
- A patient presented with multiple hepatic masses, initially suspected to be metastatic carcinoma.
- Radiologic investigations revealed multiple lesions in the right lobe of the liver.
- The initial misdiagnosis highlighted the subtle presentation of this rare tumor.
Findings:
- Histopathological examination confirmed the diagnosis of epithelioid hemangioendothelioma.
- Immunohistochemistry showed a diffuse CD34 marker response.
- Negative staining for CEA, HMB-45, and S-100 protein supported the EH diagnosis.
Implications:
- This case underscores the importance of comprehensive histopathological and immunohistochemical analysis in diagnosing rare liver tumors.
- Accurate diagnosis of malignant EH is essential for appropriate therapeutic strategies.
- Surgical intervention, such as partial hepatectomy, can yield positive outcomes for malignant EH.
