Imaging News and Research

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New discovery, immune cells confront viruses just inside of the lymph node

Vaccines have led to many of the world's greatest public health triumphs, but many deadly viruses, such as HIV, still elude the best efforts of scientists to develop effective vaccines against them. An improved understanding of how the immune system operates during a viral infection is critical to designing successful anti-virus vaccines.

4 Feb 2008

Video games activate reward regions of brain in men more than women

Allan Reiss, MD, and his colleagues have a pretty good idea why your husband or boyfriend can't put down the Halo 3. In a first-of-its-kind imaging study, the Stanford University School of Medicine researchers have shown that the part of the brain that generates rewarding feelings is more activated in men than women during video-game play.

4 Feb 2008

Subconscious signals can trigger drug craving

Using a brain imaging technology called functional magnetic resonance imaging (fMRI), scientists have discovered that cocaine-related images trigger the emotional centers of the brains of patients addicted to drugs even when the subjects are unaware they've seen anything.

4 Feb 2008

New target for flu prevention

Emerging subtypes of influenza A virus hold the potential to initiate a world-wide epidemic in the next few years, according to World Health Organization officials.

4 Feb 2008

Why is scratching so nice?

In the first study to use imaging technology to see what goes on in the brain when we scratch, researchers at Wake Forest University Baptist Medical Center have uncovered new clues about why scratching may be so relieving - and why it can be hard to stop. The work is reported online in the Journal of Investigative Dermatology and will appear in a future print issue.

31 Jan 2008

Kidney cancer drug attacks a major type of acute myeloid leukemia

A drug used to treat kidney cancer also targets a genetic mutation active in about one third of patients with acute myeloid leukemia (AML), the most common and lethal form of adult leukemia, researchers at The University of Texas M. D. Anderson Cancer Center report in the Jan. 29 edition of the Journal of the National Cancer Institute.

30 Jan 2008

Digital mammography may be a better screening option than film mammography

For some women, digital mammography may be a better screening option than film mammography, according to newly published results from a national study led by a University of North Carolina at Chapel Hill researcher.

30 Jan 2008

Smaller pancreatic tumors greatly increase survival odds

The odds of surviving cancer of the pancreas increase dramatically for patients whose tumors are smallest, according to a new study by researchers at Saint Louis University and the M.D. Anderson Cancer Center in Houston - the first study to specifically evaluate the link between tumor size and survival rates for one of the most common and deadly cancers.

28 Jan 2008