Curative effect of stereotactic body radiotherapy on hepatic hilar carcinoma
- Authors:
- Ya‑Zheng Dang
- Shi‑Gao Huang
- Wan‑Ling Lu
- Fa‑Wei Wu
- Qian‑Yun Wang
View Affiliations
Affiliations: Department of Radiation Oncology, 323 Hospital of People's Liberation Army, Xi'an, Shaanxi 710054, P.R. China
- Published online on: August 20, 2014 https://doi.org/10.3892/mco.2014.395
-
Pages:
1135-1138
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Abstract
This study was conducted to investigate the effect of stereotactic body radiotherapy (SBRT) on hepatic hilar tumors. Between October, 2006 and October, 2012, we analyzed 63 unresectable hepatic hilar tumors that were treated by SBRT at the Department of Radiation Oncology, 323 Hospital of the People's Liberation Army, Xi'an, China. The patients received a total radiation dose of 45 Gy (range, 44‑48 Gy) with a dose fractionation of 3‑6 Gy/fx, administered for a total of 9‑12 times, 2‑5 times/week. At 1 and 3 months we evaluated therapeutic efficacy and 1‑ and 2‑year survival rate. At 1 month, the patients exhibiting complete response (CR), partial response (PR), stable disease (SD) and progressive disease (PD) were 15 (23.8%), 34 (54.0%), 11 (17.5%) and 3 (4.7%), respectively. At 3 months, the number of cases with CR, PR, SD and PD was 22 (34.9%), 32 (50.8%), 3 (4.8%) and 6 (9.5%), respectively. The total effective rate, defined as CR + PR, was 85.7% (54/63). The number of patients with a tumor diameter of ≤5 cm in the CR, PR, SD and PD groups was 13 (72.2%), 4 (22.2%), 1 (5.6%) and 0 (0.0%), respectively. The number of patients with a tumor diameter of >5 cm in the CR, PR, SD and PD groups was 9 (20.0%), 28 (62.2%), 6 (13.3%) and 2 (4.5%), respectively. The 1‑year survival rate of patients with a tumor diameter >5 cm was 71.4% (45/63) and the 2‑year survival rate was 42.9% (27/63). In conclusion, SBRT appears to be a safe and effective treatment for hepatic hilar tumors.
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