Stereotactic body radiation therapy for spinal metastases.

The goal of this paper is to expose the clinical results and review of the literature of the treatment of spinal metastases with Stereotactic Body Radiation Therapy (SBRT) presenting one case. A spinal metastases from rectal cancer treated with a single dose of 18Gy is presented. The following physics aspects are exposed: Treatment volume, tumor volume marginal doses and maximum doses in organs at risk.