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  • Title: Liver transplant for hepatocellular carcinoma: experience in a Saudi population.
    Author: Allam N, Khalaf H, Fagih M, Al-Sebayel M.
    Journal: Exp Clin Transplant; 2008 Mar; 6(1):14-24. PubMed ID: 18405240.
    Abstract:
    OBJECTIVES: We present our experience with deceased-donor liver transplant and living-donor liver transplant for hepatocellular carcinoma. Between 2001 and 2007, we transplanted 133 organs (84 deceased-donor liver transplants, 49 living-donor liver transplants) in 126 patients (4 retransplants). Twenty-three patients had hepatocellular carcinoma (14 deceased-donor liver transplants and 9 living-donor liver transplants). MATERIALS AND METHODS: The medical records of these patients were reviewed for recipient clinical, biochemical, and imaging characteristics. Slides of explants were assessed. Overall survival and tumor recurrence states were determined. All characteristics were tested for their prognostic significance. RESULTS: The median age of the patients was 55 years and the median Mayo End-stage Liver Disease score was 16. The alpha-fetoprotein was >or= 400 ng/mL in 4 patients. Histopathology revealed incidental cholangiocarcinoma in 2 patients and a hepatoblastoma in 1. The mean tumor size was 4 cm; the mean number of lesions was 2. Most tumors were graded as well or moderately differentiated; 4 were poorly differentiated. Gross macrovascular invasion was seen in 2 patients, while microvascular invasion was seen in 9. After a mean follow-up of 736 days, overall patient and graft survival rates were 80.9% and 76.2%; overall disease-free patient and graft survival rates were 76.2% and 71.4%. Two patients died of primary graft nonfunction within 1 week of the transplant. Three had tumor recurrence at 10, 13, and 18 months after transplant; 2 of these occurred in patients with cholangiocarcinoma. Two of these 3 died from an advanced tumor within few months. Significant risk factors for recurrence were gross major vessel invasion, microvascular invasion, tumor size, poor histologic differentiation, and absence of pretransplant tumor control therapy. The latter 2, in addition to Mayo End-stage Liver Disease score and preoperative alpha-fetoprotein, were independent predictors of mortality. CONCLUSIONS: In our small experience, deceased-donor liver transplant and living-donor liver transplant for hepatocellular carcinoma showed good long-term outcomes. Liver transplant for hepatocellular carcinoma accompanying cholangiocarcinoma had a poor outcome with late tumor recurrence. Use of marginal donors in patients with hepatocellular carcinoma might compromise the outcome in these patients.
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