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RapidArc™ Radiation Therapy

RapidArc™ radiotherapy technology from Varian Medical Systems is a new approach to image-guided, intensity-modulated radiation therapy (IG-IMRT) that delivers precise treatments in shorter times than conventional IMRT.

RapidArc represents a major medical advance and is more comfortable for patients because they spend less time in their daily treatments. A fast, precise RapidArc treatment takes less than two minutes. Patients can be in and out of treatment quickly and return to their daily routine.

RapidArc rotates 360 degrees around the patient, enabling the very small beams with varying intensity to be aimed at the tumor from multiple angles. Unlike helical IMRT treatments or other forms of radiation therapy, with RapidArc the radiation treatment being delivered to the patient can be modulated continuously throughout treatment. This means that higher doses of radiation are delivered to hit the tumor harder, and less radiation is delivered to surrounding healthy tissue. More...

IGRT

Image Guided Radiation Therapy (IGRT)

Image-guided radiation therapy is conformal radiation treatment guided by imaging equipment, such as CT, ultrasound or stereoscopic X-rays, taken in the treatment room just before the patient is given the radiation treatment. IGRT allows radiation to be delivered to tumors with more precision than was traditionally possible. More...

IMRT

Intensity Modulated Radiation Therapy (IMRT)

The goal of all radiation therapy is to irradiate the tumor with a lethal dose while limiting the radiation received by the normal tissue that surrounds the tumor. IMRT uses a sophisticated dose calculation to design and deliver precisely targeted radiation. This is accomplished by using computer controlled small radiation shields in a linear accelerator. More...

Cone Beam CT

This technology gets its name from the cone-shaped beam of X-rays used to collect a complete image. Unlike conventional CT, which takes a series of thin-sliced X-ray images and then stacks them together to create a complete picture, cone beam CT produces a more sophisticated image in less time and with less X-ray exposure. More...