Varian RapidArc Radiotherapy Technology | White Plains Hospital

Varian RapidArcTM Radiotherapy Technology

RapidArcTMradiotherapy 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.

Varian RapidArc Linear AcceleratorRapidArc treatments are delivered using a Trilogy® linear accelerator from Varian Medical Systems outfitted with imaging capabilities. The RapidArc imaging capabilities let the clinician see the location of the tumor in three dimensions before treatment. If the cancer has moved due to physical changes, treatment can be adjusted so the patient receives a precise treatment. This treatment platform is the most widely used and reliable platform available. Over 75 percent of the leading U.S. hospitals and clinics use Varian technology.*  (*Data based on the 2006 edition of "America's Best Hospitals" from U.S. News & World Report.)

Patient Benefits

RapidArcTMradiotherapy technology from Varian Medical Systems represents a new revolution in cancer care. RapidArc enables your clinician to treat some types of cancer with great precision in less than two minutes.

  • RapidArc is delivered with a medical linear accelerator, a large machine that generates high-powered X-rays and rotates around you as you lie on a treatment couch, delivering the beams from many angles. With RapidArc, the entire treatment is completed with a single rotation of the machine.

  • RapidArc is a new approach to delivering image-guided, intensity-modulated radiation therapy (IG-IMRT). Image guidance improves tumor targeting, and IMRT shapes the radiation dose so that it conforms closely to the three-dimensional shape of the tumor. That means more radiation is delivered to the tumor and less to surrounding healthy tissues.

  • The treatments are fast. That makes it easier on you-you don't have to hold still for long, and you're in and out in a matter of minutes each day. With RapidArc, IMRT treatments that typically require at least 10 minutes can be completed in less than 2 minutes.

  • A RapidArc radiotherapy system incorporates technology that makes it possible for your treatment team to position you for treatment with sub-millimeter accuracy. An On-Board Imager® kV imaging system mounted on the treatment machine provides high-resolution X-ray images of the targeted area before each daily treatment.