Varian Medical Systems TrueBeam Linear Accelerator

This latest generation of radiotherapy technology uses non-invasive tumor-destroying radiation to treat cancers throughout the body while minimizing exposure to healthy tissue. This powerful technology is precise, accurate and fast, providing relatively short treatment sessions for you – perhaps only a few minutes a day. The TrueBeam linear accelerator can perform many forms of external beam radiation therapy (EBRT) – the most common form of radiation therapy -- in which the radiation comes from outside the body. These forms of EBRT include Rapidarc® volumetric modulated arc therapy (VMAT), intensity-modulated radiation therapy (IMRT) and image-guided radiation therapy (IGRT).

VMAT and IMRT are techniques that allow physicians to customize the radiation beam by varying or modulating the intensity of radiation delivered, allowing for high doses to attack the cancer cells while sparing the healthy organs nearby. IGRT is a technique used in combination with VMAT or IMRT that allows physicians to visualize your tumor and verify its location in order to deliver highly accurate treatments.

Another treatment option made possible by The TrueBeam Linear Accelerator is stereotactic body radiation therapy (SBRT), an advanced form of radiation therapy that delivers a highly-focused, intense dose of radiation concentrated on the tumor itself, with limited exposure to the surrounding organs. Treatments are completed in a shorter period of approximately 1-2 weeks. SBRT is another effective treatment option for select patients who elect for an alternative to surgery or two months of radiotherapy.

Elekta Clarity 4-Dimensional Image Guidance System

Precision Radiation Oncology offers the Elekta Clarity, the only radiation therapy image-guidance system of its kind in Southern California. Because the a target's position can change at any given moment, advanced technology is needed to treat such a moving target to help avoid nearby organs. With the Elekta Clarity, for the first time, a target such as the prostate can be tracked continuously without the use of invasive markers even while the radiation beam is turned on. It provides accurate, structure-based IGRT that is helpful should the target shift or move away from the radiation beam during treatment. The Clarity Image Guidance System can detect such a change immediately so that the beam can be stopped and then resumed when the target returns to the position for which treatment was planned. This provides highly accurate treatment while minimizing exposure to neighboring critical organs. Currently, the Elekta Clarity is used in breast and prostate cancer patients with other tumor types pending.

Combined Technologies

Using the Varian TrueBeam Linear Accelerator in combination with the Electra Clarity Image Guidance System offers Precision Radiation Oncology patients the only radiation therapy technique that delivers four-dimensional IGRT with continuous monitoring of a target. Whether patients receive VMAT, IMRT, or SBRT, they can be reassured that this combination will deliver highly precise therapy while minimizing damage to healthy tissue.

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SpaceOAR Hydrogel Rectum-Protecting Spacer

Precision Radiation Oncology is helping to pioneer a new tool proven to protect prostate cancer patients from the negative effects of radiation therapy. The first patient in Southern California was injected with the SpaceOAR® hydrogel at Precision Radiation Oncology, the first FDA approved spacing device to protect the rectum in men undergoing radiation therapy for prostate cancer. The SpaceOAR® System is intended to temporarily position the anterior rectal wall away from the prostate during radiotherapy for prostate cancer, creating space to protect the rectum from radiation exposure. Precision Radiation Oncology is the first treatment center in Southern California and one of the first centers nationwide to adopt the advanced technology. It is also the first center in the United States to place the SpaceOAR® hydrogel for stereotactic body radiotherapy (SBRT), which shortens the treatment time from 9 weeks to 1 week.

 

 

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