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  • Title: [TACE: therapy of the HCC before liver transplantation--experiences].
    Author: Herber S, Schneider J, Brecher B, Höhler T, Thelen M, Otto G, Pitton MB.
    Journal: Rofo; 2005 May; 177(5):681-90. PubMed ID: 15871083.
    Abstract:
    PURPOSE: Analysis of the course of disease in patients with histologically proven HCC before and after orthotopic liver transplantation (LTx) who received transarterial chemoembolization (TACE). MATERIAL AND METHODS: Thirty-five of a total collective of 363 patients with histologically proven HCC underwent LTx. Before LTx, all patients were treated with sequential TACE. According to treatment pattern, TACE should be performed every 6 weeks, using a suspension consisting of max. 10 mg Mitomycin C as well as 10 - 30 ml iodized oil (Lipiodol). Patients were classified according to the Milano criteria. Criteria were called exceeded if the tumor size was > 5 cm and/or > 3 tumors larger than 3 cm were found. Therapy success and liver function were examined by means of spiral CT and laboratory controls. Investigation parameters included the number of tumor knots as well as the maximum tumor size. Additionally, the Lipiodol accumulation, the patency of the portal vein and the occurrence of complications were checked. RESULTS: Altogether, 184 TACE procedures were accomplished (5.3 +/- 3.3, range 1 - 14). The waiting period up to the transplantation amounted to 366 +/- 255 days (range 44 - 1137). The average number of tumor knots for each patient was 3.1 +/- 2.2 before and 2.9 +/- 2.2 after TACE (p = 0.887). The average tumor size was 4.2 +/- 2.5 before and 2.8 +/- 1.4 after TACE. The Milano criteria to LTx crossed 17/35 patients. Patients with exceeded Milan criteria showed a highly significant size reduction of the tumor after TACE (p = 0.001); in 9/17 cases the transplantation criteria were secondarily fulfilled through downstaging. A successful LTx was accomplished in 35/35 cases. Follow up after LTx was 769 +/- 509 days. The tumor recurrence in patients with exceeded vs. fulfilled transplantation criteria was 11.1 % vs. 11.8 % (p = 0.99). The recurrence free survival was 93.3 %, 82.5 % and 82.5 % at 1, 3 and 5 years, respectively. There were no relevant differences between patients with exceeded vs. fulfilled transplantation criteria (p = 0.99). CONCLUSION: The sequential TACE is an effective method for the therapy of the HCC before LTx in selected patients. A relevant downsizing could be achieved by TACE in patients with advanced HCC. Patients with larger tumors showed a significantly stronger size reduction after TACE. The recurrence rate and the survival rate for patients with advanced or small tumors do not differ.
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