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Radiation Therapy: Cancer Fighting Technology

By DuPage Medical Group Radiation Oncology

Radiation therapy uses high-energy radiation to shrink tumors and kill cancer cells. The radiation may be delivered by a machine outside the body (external-beam radiation therapy), or it may come from radioactive material placed in the body near cancer cells (internal radiation therapy, also called brachytherapy).

A radiation oncologist develops a patient’s treatment plan through a process called treatment planning, which begins with simulation.

During simulation, detailed imaging scans show the location of a patient’s tumor and the normal areas around it. These scans are usually computed tomography (CT) scans, but they can also include magnetic resonance imaging (MRI), positron emission tomography (PET), and ultrasound scans.

After simulation, the radiation oncologist then determines the exact area that will be treated, the total radiation dose that will be delivered to the tumor, how much dose will be allowed for the normal tissues around the tumor, and the safest angles (paths) for radiation delivery.

Cancer Fighting Technology

DMG uses Varian’s TrueBeam system to provide radiation therapy. With this system your treatments can be performed with unparalleled ease, precision and speed. Plus, this technology makes it possible to deliver fast, accurate image-guided treatments within just a few minutes per day.

DMG’s radiation therapy system is precise and is measured in increments of less than a millimeter. This accuracy is made possible by the system’s sophisticated architecture, which synchronizes imaging, patient positioning, motion management, beam shaping and dose delivery. The system performs accuracy checks every ten milliseconds throughout the entire treatment which ensures that your treatment is as targeted as possible.

Why Does Speed Matter?

Faster radiotherapy treatments can be easier on the patient, who does not need to hold still for long periods of time. By reducing the time it takes to deliver treatment, DMG’s technology has the potential to improve patient comfort. Its speed means shorter treatment times, which leads to less interruption of patients’ daily lives. Quicker treatment also decreases the amount of any patient motion, which improves the efficacy of treatment.


Topics and Subtopics: Cancer

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