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Medical imaging breakthrough uses light and sound to see microscopic details inside our bodies
Date:11/22/2010

See it for yourself: a new breakthrough in imaging technology using a combination of light and sound will allow health care providers to see microscopic details inside the body. Access to this level of detail potentially eliminates the need for some invasive biopsies, but it also has the potential to help health care providers make diagnoses earlier than ever beforeeven before symptoms arise. Details describing this advance are published online in the FASEB Journal (http://www.fasebj.org/content/early/2010/11/19/fj.10-171728.abstract).

In the online research report, researchers from St. Louis describe how they combined photoacoustic tomography (PAT) with gold nanobeacons (GNB) to achieve an unprecedented level of imaging detail. Specifically, the researchers were able to identify the first signs of new blood vessel growth, which is necessary for new tumors to form. Specifically, not only were the newest blood vessels with initial blood flow imaged, but pre-vessel formation of inter-vessel bridges and vessel off-shoot sprouts in which blood flow had yet to begin also were captured. This is the first time that the angiogenic process was imaged in such clear detail without a microscope. The scientists anticipate that the combined use of PAT and GNB will be able to further pinpoint precise molecular disease markers.

According to one of the researchers involved in the work, Dipanjan Pan, Ph.D. from the Consortium for Translational Research in Advanced Imaging and Nanomedicine at the Washington University School of Medicine, "This study further establishes the opportunity provided by molecular imaging and photoacoustic tomography to identify, characterize, and guide the rational management of high-risk patients with life-threatening disease earlier when treatment is the most likely to help and quality of life is best preserved."

To make this advance,
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Contact: Cody Mooneyhan
cmooneyhan@faseb.org
301-634-7104
Federation of American Societies for Experimental Biology
Source:Eurekalert

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