Todd Scarbrough, MD, medical director of the MIMA Cancer Center in Melbourne, Florida, says, "The largest, most easily quantifiable gain which RapidArc offers is an improvement in treatment time. There is no other system on the market which can offer a standard (1.8-2.0 gray) daily radiation dose, as an IMRT treatment, in a 2 minute timeframe. Furthermore, with this dramatic improvement in treatment time, there is no trade-off in any other area. If anything, there is an improvement -- although modest in many cases -- in dose distribution, and also less total scatter 'out-of-field' dose to the patient."
Dr. Ben Slotman of VU Medical Center in Amsterdam supports this, saying, "The benefits of fast RapidArc treatments are many. Faster treatment delivery has an economic benefit because more patients can be treated with more advanced techniques at a lower cost to public healthcare systems. In addition to improving patient comfort, shorter treatment times can enhance treatment quality by reducing the risk of patient movement during treatment. It is also clear that when a dose distribution is more conformal to the tumor or enables better avoidance of critical structures, a higher dose can be given, with better options for treatment and lower risks of side effects."
"RapidArc will significantly shorten the treatment time, particularly
for complex head and neck cases," says Richard Popple, Ph.D., assistant
professor in the Department of Radiation Oncology at the University of
Alabama at Birmingham. "Shortened treatment times will reduce discomfort
and, more importantly, increase the accuracy of tumor targeting, as patient
anatomy will have less opportunity to change after the initial
|SOURCE Varian Medical Systems|
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