Abstract
Background The efficacy and toxicity of hypofractionated stereotactic radiotherapy (HSRT) in combination with whole brain radiotherapy (WBRT), for the treatment of 1–4 brain metastases, using a non invasive fixation of the skull, was investigated. Methods Between 04/2001 and 01/2006 30 patients with 44 brain metastases underwent irradiation. Every patient received WBRT (10 × 3 Gy); 41/44 lesions received HSRT boost with a median dose fraction of 6 Gy, the fractionation schemes were 3 × 6 Gy and 4 × 8 Gy; a median total dose of 18 Gy was delivered to the tumor isocenter. Results The median survival period was 9.15 months, the actuarial 1-year overall survival and freedom from new brain metastases were 36.6% and 87.9%, respectively; at univariate analysis Karnofsky Performance Status (KPS) was statistically significant (P = 0.05); the actuarial 1-year local control for the 41/44 lesions was 86.1%. No patient had acute or late complications. Conclusions HSRT as a concomitant boost during WBRT is a safe and well tolerated treatment for selected patients with brain metastases.
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Abbreviations
- HSRT:
-
Hypofractionated stereotactic radiotherapy
- SRS:
-
Stereotactic radio-surgery
- WBRT:
-
Whole brain radiotherapy
- KPS:
-
Karnofsky performance status
- BED:
-
Biologic effective dose
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Giubilei, C., Ingrosso, G., D’Andrea, M. et al. Hypofractionated stereotactic radiotherapy in combination with whole brain radiotherapy for brain metastases. J Neurooncol 91, 207–212 (2009). https://doi.org/10.1007/s11060-008-9700-8
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DOI: https://doi.org/10.1007/s11060-008-9700-8