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Varian to Showcase RapidArc(TM) Radiotherapy Technology Enhancements at ASTRO 2008
Date:9/22/2008

New features enable more versatile approaches to dose-sculpting for the accurate targeting of large, irregularly shaped, or awkwardly-positioned

tumors

BOSTON, Sept. 22 /PRNewswire-FirstCall/ -- ASTRO Booth # 547 -- Varian Medical Systems (NYSE: VAR), world leader in advanced radiotherapy solutions for treating cancer and other disorders, is exhibiting a full spectrum of technologies and products for planning and delivering fast, precise cancer treatments at the 50th annual meeting of the American Society for Therapeutic Radiology and Oncology in Boston this week. Among the innovations being showcased is a newly enhanced version of the company's popular RapidArc(TM) radiotherapy technology for speedy, precise volumetric arc IMRT.

"Last year at this time, we introduced RapidArc, which delivers a highly-precise volumetric IMRT treatment in less than two minutes with a single arc, or rotation, of the treatment machine around the patient," said Karla Knott, Varian's senior director of marketing. "This year we are showing a new version that makes RapidArc even more powerful and versatile for treating a broader spectrum of indications."

The enhanced version of RapidArc enables more versatile approaches for targeting large, irregularly shaped, or awkwardly-positioned tumors. It incorporates tools for planning and delivering IMRT treatments using one or more arcs, or multiple non-coplanar arcs, which are typically used for stereotactic radiosurgery.

RapidArc also now features the "skip" arc, which turns the beam off during some portion of a rotation, to completely avoid some parts of the patient's anatomy. With these new features, clinicians have more options for sculpting dose distr
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SOURCE Varian Medical Systems, Inc.
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