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Preliminary Research Results Suggest up to 70% Reduction in Dose for Positron Emission Mammography Imaging
Date:8/23/2010

esults are the basis of an ongoing clinical trial at Swedish Cancer Institute with the goal of determining the optimized dose levels of FDG required to produce high quality PEM images in patients with breast cancer.

"Naviscan believes that the radiation dose to patients who undergo PEM can be cut at least in half, if not more as suggested by the University of Washington study," said Judy Kalinyak, MD, Medical Director, Naviscan, Inc.  "Our site in Japan is already injecting 5 mCi of FDG compared to the 10 mCi in the US and a recently published abstract in The Journal of Nuclear Medicine further validates the reduction in dose down to 5 mCi."

Results from a recent presentation at the Society of Nuclear Medicine on findings from an NIH-sponsored clinical study comparing PEM with breast MRI further demonstrate PEM's clinical appropriateness. This multi-site study (NIH Grant 5R44CA103102) of hundreds of women with newly diagnosed breast cancer shows that PEM demonstrated a six percent improvement in specificity at comparably high sensitivity, and also recommended fewer unnecessary biopsies. These results are particularly significant for women who cannot tolerate an MRI exam and require an alternate imaging tool. The study is slated for publication in the December issue of the journal Radiology.

About Naviscan, Inc.

Naviscan, founded in 1995, develops and markets compact, high-resolution PET scanners intended to provide organ-specific molecular imaging and guide radiological and surgical procedures. The Naviscan PEM scanner is currently installed and available in breast and imaging centers throughout the U.S. and other parts of the world. The Company is headquartered in San Diego, California and is the first to obtain FDA-clearance for a high-resolution PET scanner designed to image small body parts and for breast biopsy image guidance. For more information, call 1.858.587.3641 or visit www
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SOURCE Naviscan
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