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Case Report Volume 3 Issue 3
SBRT (Stereotactic Body Radiation Therapy) - stereotactic body radiosurgery
Jasmina Alexander
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Radiology and Radiation Therapy Technician, USA
Correspondence: Jasmina Alexander, Novalis Treatment Center, Panama City, Punta Pacifica John Hopkins Hospital, Basement 2, Panama, USA, Tel 507 396 3162
Received: October 01, 2015 | Published: October 30, 2015
Citation: Alexander J. SBRT (Stereotactic Body Radiation Therapy) - stereotactic body radiosurgery. J Cancer Prev Curr Res. 2015;3(3):284. DOI: 10.15406/jcpcr.2015.03.00082
Abstract
Stereotactic Body Radiation Therapy is a therapeutic modality to manage, in a few sessions and with great precision, very high doses of radiation to the tumor effectively and with minimal toxicity to surrounding healthy tissue. Side effects are few.
Keywords: radiation therapy, stereotactic body, toxicity, SBRT, precision, minimally invasive computed tomography, exactrac, brainlab, lung cancer, lumbar spine, pancreas, liver, cancer, tumors, metastasis
Case report
Novalis powered by TrueBeam STx & BrainLab ExacTrac
Female patient 60 years with 2 column injuries L1 and T12 treated each with 2 dynamic arches, 10 MV photons and 20 Gy FFF 120 MicroMLC HD in 5 sessions.
Stereotactic Body Radiation Therapy is a therapeutic modality to manage, in a few sessions and with great precision, very high doses of radiation to the tumor effectively and with minimal toxicity to surrounding healthy tissue. Side effects are few.
It is a treatment technique aimed at patients with tumors or metastases are inoperable and have injuries because of its location, can’t be eradicated. The SBRT is a technique minimally invasive which allows the patient to receive treatment on an outpatient basis, without it is hospitalized.
The SBR requires precise planning to the target volume or target, since it is administered from different angles. This requires the use of 4 dimensional volumetric images mode, such as computed tomography (CT), taking into account the movement. These images are used to create individualized treatment plans that target the tumor accurately several radiation beams of different intensities and from different angles. The volumetric images are also taken immediately before treatment using imaging equipment directly connected to the computer for SBRT treatment (Figure 1). Another option is to implant a fiducial marker metal to track the position of the tumor with X-rays, or, placed on the markers patient fiducial with the same objective, which can be achieved by the help system ExacTrac of BrainLab, as shown in the pictures.
Figure 1 Volumetric images are taken immediately before treatment using imaging equipment directly connected to the computer for SBRT treatment.
Positioning system BrainLab ExacTrac of the First patient treated with SBRT in Panama with two thoracic injuries and lumbar spine respectively.
SBRT is used for treating lung cancer primarily and other cancers as the liver, pancreas and spine. Many cancers metastasize to the lung, and some initial results show that SBRT can improve local control of these metastases.
©2015 Alexander. This is an open access article distributed under the terms of the, which permits unrestricted use, distribution, and build upon your work non-commercially.