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CyberKnife Prostate Cancer Planning Study Published in Leading Radiation Oncology Journal
Date:4/8/2008

Centers of San Diego and Radiation Medical Group, and principal investigator in the study. "Our study concluded that CyberKnife radiosurgery can offer the benefits of HDR brachytherapy non-invasively on an outpatient basis that is both easy to deliver and comfortable for patients."

This study, titled 'Virtual HDR(sm) CyberKnife Radiosurgery for Localized Prostatic Carcinoma: Dosimetry Comparison with HDR Brachytherapy and Preliminary Clinical Observations' supports the CyberKnife System's clinical flexibility and demonstrates its capability to create either a uniform distribution of radiation across the prostate or a pattern of dose that is similar to HDR brachytherapy. The System's ability to track the location of the prostate, detect its position and correct the treatment beam angle continually throughout treatment ensures that either type of plan can be delivered accurately, accounting for the motion of the prostate during the treatment. The CyberKnife System gives clinicians a variety of non-invasive treatment delivery options, allowing them to customize the treatment to each patient's specific case.

"We are pleased to have published support of the CyberKnife System's diverse capabilities in prostate cancer planning and look forward to further clinical evidence following the publication of long term follow-up studies," said Eric P. Lindquist., senior vice president and chief marketing officer of Accuray.

Explanation of HDR Brachytherapy

HDR brachytherapy is a procedure commonly used in the treatment of prostate cancer. The procedure involves the insertion of catheters into the prostate gland, and then the delivery of a series of radiation treatments through these catheters. A computer-controlled machine forces a seed containing a high energy radioactive source into the catheters one at a time, and then controls how long this seed remains in each of the catheters. This method allows different regions of the prostate to receive differen
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SOURCE Accuray Incorporated
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