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Radiation Oncology Program

RapidArc Technology Provides Faster, More Precise Radiotherapy to Fight Cancer

RapidArc Vs IMRT

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RapidArc, a new approach to delivering high dose radiation to tumors two to eight times faster than conventional methods, is now available in the Department of Radiation Oncology at the University of Maryland Marlene and Stewart Greenebaum Cancer Center (UMGCC).

Advantages for Patients

RapidArc, from Varian Medical Systems, is a major medical advance for treating certain types of cancer with image-guided, intensity-modulated radiation therapy (IG-IMRT). RapidArc is delivered using the Trilogy linear accelerator, available at UMGCC since 2006.


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RapidArc has several important advantages for patients:

Our Expertise: RapidArc Invented by UM Scientist

RapidArc technology was originally invented by Cedric X. Yu, D.Sc., Mansfield Professor of Radiation Oncology at the University of Maryland School of Medicine and member of the radiologic physics team in the Department of Radiation Oncology at the University of Maryland Marlene and Stewart Greenebaum Cancer Center.

Dr. Yu’s research in developing new techniques for radiation therapy delivery has led to a number of important advances in the field in addition to RapidArc. Innovations such as intensity-modulated arc therapy (IMAT), which he invented in 1995, and Direct Aperture Optimization (DAO), an enhancement of IMRT therapy that Dr. Yu helped develop, have led to significant improvements in the care of patients with cancer.

To learn more about RapidArc or other radiation therapy treatment options available at the University of Maryland Greenebaum Cancer Center, please call the Department of Radiation Oncology at 410-328-6080 or 1-800-888-8823.

This page was last updated on: January 7, 2013.

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