True Beam Radiotherapy System

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TrueBeam®: Picture-Perfect Radiation Therapy

Taking aim at a tumor seems more straightforward than it is. Tumors move. They shift. They change size during treatment. So the radiation treatment given during the first week of therapy may be different than the one you need during week five. TrueBeam® image-guided radiation therapy (IGRT) takes such tumor changes into account. In 2010, John Theurer Cancer Center became the first cancer center in New Jersey to acquire TrueBeam linear accelerators, a radically different approach to treating even the most challenging cancers with unprecedented speed and accuracy.

The TrueBeam system, from Varian Medical Systems, was engineered from the ground up to deliver more powerful cancer treatments with pinpoint precision. It integrates new imaging and motion management technologies that make it possible to deliver treatments faster, while monitoring and compensating for tumor movement. This technology has opened the door to new possibilities for the treatment of lung, breast, prostate, and head and neck cancers, as well as other cancers that are often treated with radiation therapy.

Using radiation dose rates that are 40 to 140 percent higher than earlier generations of Varian technology, simple treatments that once took 15 minutes or more can be completed in less than two minutes once the patient is in position. The system synchronizes imaging, patient positioning, motion management, beam shaping, and radiation dose delivery, and performs accuracy checks every ten milliseconds throughout the entire treatment to optimize safety and precision. For lung and other tumors that may move during breathing, this system makes it possible to compensate for tumor motion while quickly delivering a dose during a continuous rotation around the patient.

The TrueBeam radiotherapy system also allows physicians to minimize the amount of x-rays needed to image a tumor, generating three-dimensional images in 60 percent of the time using a 25 percent lower x-ray dose. What does this mean for you? Fast, accurate treatment, so you spend less time with us and more time doing the things you enjoy.

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X-rays are taken using ionizing electromagnetic radiation that penetrates the body, impinges on a solid metallic background and results in images that are captured on film.

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