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Linac-based Stereotactic Body Radiation Therapy at Oncology Center of Hue Central Hospital



Author(s)

Pham Nguyen Tuong, Le Trong Hung, Pham Nhu Hiep, Phan Canh Duy, Nguyen Van Thanh and Nguyen Huu Minh Tuan

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DOI:10.17265/1548-6648/2019.01.004

Stereotactic body radiation therapy (SBRT), (also stereotactic radiotherapy surgery—SRS and stereotactic radiotherapy—SRT) is one of radiotherapy techniques which entails precise delivery of high-dose in one fraction and several fractions, with tumor ablation and maximal normal-tissue sparing. This technique has been approved globally and performed based on Cyberknife, Gamma knife, Proton. SBRT/SRS technique has not been common in Vietnam because it requires high accuracy and synchronous facilities. Hue Central Hospital is the pioneer in Vietnam applying successfully Linac-based SBRT, SRS with imaging guide radiotherapy (IGRT). The study enrolled 70 patients (25 HCC, 5 lungs, 40 brains) underwent SBRT, SRS, SRT techniques. We applied volumetric arc therapy technique (VMAT) from 1 to 5 fractions (prescribed doses depended on sites and size of tumors). Radiation treatment was given on LINAC of Elekta AXESSE, planned by Monaco 5.11 version, IGRT by daily conebeam CT/XVI device and assured quality by Verisoft software, OCTAVIUS 4D/PTW system, CT Similation 4D of PHILIPS with breathing compressor. With three case reports, the aim of this study is to survey and assess treatment planning quality of SBRT for liver, lung and brain tumors.

SBRT, SRS, SRT technique.