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Editor's e-Note
Prostate cancer continues to place an enormous burden on our health care system, with upwards of 46,000 men diagnosed annually. Using a novel technique involving light and sound to measure oxygen levels, researchers in the United Kingdom have made a breakthrough in differentiating prostate tumors that have been the most difficult to treat. Learn more in this month’s e-News Exclusive.

— Dave Yeager, editor
e-News Exclusive
New Imaging Technique Spots Prostate Tumors Starved of Oxygen

A new imaging technique uncovers oxygen levels in prostate tumors and could lead to a noninvasive way to determine which tumors are more difficult to treat, according to a Cancer Research UK-funded study published in Theranostics. Scientists at the University of Cambridge created a new technique with an imaging device using a combination of light and sound to check the oxygen levels in prostate tumors in mice.

The researchers gave mice a short burst of pure oxygen to breathe and monitored how quickly and efficiently the extra oxygen reached different tumor areas through the blood supply. Using the imaging device, they were able to image the stronger response to oxygen by tumors with better blood vessels, which could give vital information on the quality of vessels. This could help doctors find patients with harder-to-treat prostate cancers.

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In This e-Newsletter
Worth Repeating
“Using the periodontal probe is like examining a dark room with just a flashlight and you can only see one area at a time. With our method, it’s like flipping on all the light switches so you can see the entire room all at once.”

Jesse Jokerst, PhD, a nanoengineering professor at University of California, San Diego, regarding an innovative dental imaging method that combines squid ink, light, and ultrasound
Other Imaging News
Glowing Tumor Technology Helps Surgeons Remove Hidden Cancer Cells
Surgeons were able to identify and remove a greater number of cancerous nodules from lung cancer patients when combining intraoperative molecular imaging—through the use of a contrast agent that makes tumor cells glow during surgery—with preoperative PET scans, according to the University of Pennsylvania.

New Guidelines Discourage Use of Brain Imaging as ‘Lie Detector’
for Chronic Pain

The University Health Network reports that a task force consisting of researchers from around the world and led by the Krembil Research Institute in Toronto, Ontario, Canada has released a set of recommendations that advise against the use of brain imaging as a test for chronic pain.

Common White Matter Abnormalities Found in Children With Autistic Traits
Structural abnormalities in the brain’s white matter match up consistently with the severity of autistic symptoms not only in children with autism spectrum disorder but also, to some degree, in those with attention deficit hyperactivity disorder who also have autistic traits, according to NYU Langone Health.

Macaque Study Sheds Light on Facial Recognition
Researchers have long thought that being able to recognize faces is innate in humans and other primates and that something in our brains just knows how to do this from birth. But a new Harvard Medical School brain imaging study on primates suggests otherwise: Macaques need to have been exposed to faces from a young age to be able to recognize them.
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