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Published Data Confirms First 3D Ultrasound for Breast Cancer Treatment Planning Helps Radiation Oncologists Better Define Treatment Region
Date:3/9/2009

International Journal of Radiation Oncology*Biology*Physics Study Finds that Resonant Medical's Clarity Breast System Provides Enhanced Image Information for Planning Partial Breast Irradiation Treatment

MONTREAL, March 4 /PRNewswire/ -- Researchers report in the February 1st issue of the International Journal of Radiation Oncology*Biology*Physics that the use of 3D ultrasound with the Clarity(TM) Breast System provided enhanced image information to enable radiation oncologists to better define the treatment region when delivering partial breast irradiation treatment (PBI) for breast cancer. The Clarity Breast System marks the first application of 3D ultrasound technology to Image-Guided Radiation Therapy (IGRT) and was developed by Resonant Medical, an innovator of 3D ultrasound image-guided adaptive radiotherapy products.

The study, "3D Ultrasound Can Contribute to Planning CT to Define the Target for Partial Breast Radiotherapy," conducted at the Radiation Therapy Program, British Columbia Cancer Agency, Vancouver Island Centre and the University of British Columbia, examined 20 consecutive cases of early-stage breast cancer where the patients were treated with breast-conserving surgery. Researchers found that in 40 percent of cases, the variability between lumpectomy cavity contours was reduced when ultrasound was used instead of CT - the current standard of care for planning breast cancer treatment. In particular, 3D ultrasound proved to be particularly beneficial for imaging patients with dense breasts and small cavities.

"Precision in planning and the increased certainty that radiation is being delivered to the exact area where it is needed have never been more critical, with the percentage of patients opting for breast conservation therapy and PBI on the rise," said Pauline Truong, MD, CM, a researcher on the study. "Following this study, however, it is clear that the benefits of this tech
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SOURCE Resonant Medical
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