Journal
RADIATION ONCOLOGY
Volume 7, Issue -, Pages -Publisher
BMC
DOI: 10.1186/1748-717X-7-207
Keywords
Hepatocelluar Carcinoma; RapidArc; VMAT; Radiotherapy
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Background: To report early outcome and toxicity for inoperable patients with hepatocellular carcinoma (HCC) treated with volumetric modulated arc therapy (VMAT). Methods: One hundred and thirty eight patients were retrospectively analysed. Dose prescription ranged from 45 to 66Gy with conventional fractionation regime. Based on AJCC staging, 88.4% presented stage III or IV. Two-thirds (69.6%) were Child-Pugh stage A, the remaining were stage B. According to Barcelona Clinic Liver Cancer staging, 72.5% of patients were classified as stage C. Results: Median age was 66 years, median tumor volume was 516cm(3) (28 to 3620cm(3)). The most patients (83%) were treated with 60Gy. Median follow-up time was 9 months. One-year overall survival rate was 45% (100% for AJCC stage I, 83% for stage II, 45% for stage III and 28% for stage IV), median survival was 10.3 months (95% C.I. 7.2-13.3). Local control was achieved in 94% (of 109 assessable patients), stable disease in 29%, partial response in 53%, complete response in 11%, and progression in 6%. Radiation-induced liver disease was observed in 34 patients (25%). Gastrointestinal grade 3 toxicity was modest with a total of 17 (12.3%) cases for all endpoints. Conclusions: Clinical results could suggest to introduce VMAT as an appropriate technique for the patients with HCC.
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