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New neuroimaging analysis technique identifies impact of Alzheimer's disease gene in healthy brains
Brain imaging can offer a window into risk for diseases such as Alzheimer's disease (AD). A study conducted at the University of Kansas School of Medicine demonstrated that genetic risk is expressed in the brains of even those who are healthy, but carry some risk for AD. view more (2009-11-18)
Small nanoparticles bring big improvement to medical imaging
If you're watching the complex processes in a living cell, it is easy to miss something important-especially if you are watching changes that take a long time to unfold and require high-spatial-resolution imaging. view more (2009-11-18)
What relates to the short-term effectiveness of biliary drainage?
Biliary drainage is performed as a palliative treatment of hilar cholangiocarcinoma. The reduction of serum bilirubin is usually the hallmark of successful biliary drainage. However, some patients may have persistent jaundice or scanty bile output after biliary drainage. view more (2009-11-18)
Neuroimaging provides insights into new treatment options for Alzheimer's disease
With about 35 million people around the world suffering from Alzheimer's disease (AD) by the year 2010 and an expectation that these numbers will double every twenty years with approximately 115 million cases by 2050, pressure on healthcare systems worldwide will be intense. view more (2009-11-11)
PET imaging response a prognostic factor after thoracic radiation therapy for lung cancer
A rapid decline in metabolic activity on a PET scan after radiation therapy for non-small cell lung cancer is correlated with good local tumor control, according to a study presented by researchers at Thomas Jefferson University Hospital at the 51st ASTRO Annual Meeting. view more (2009-11-09)
Scientists visualize how bacteria talk to one another
Using imaging mass spectrometry, researchers at the University of California, San Diego have developed tools that will enable scientists to visualize how different cell populations of cells communicate. view more (2009-11-09)
Adapting Space-Industry Technology to Treat Breast Cancer
Researchers at Rush University Medical Center and Argonne National Laboratory are collaborating on a study to determine if an imaging technique used by NASA to inspect the space shuttle can be used to predict tissue damage often experienced by breast cancer patients undergoing radiation therapy. view more (2009-11-03)
Precuneus region of human and monkey brain is divided into 4 distinct regions
A study published this week in PNAS provides a comprehensive comparative functional anatomy study in human and monkey brains which reveals highly similar brain networks preserved across evolution. view more (2009-11-03)
Task force develops new radiation guidelines for brachytherapy
Radiation dose delivered to the prostate and nearby organs in every brachytherapy procedure should be carefully analyzed using post-implant CT or MRI and uniformly documented in every patient. view more (2009-11-03)
Researchers develop innovative imaging system to study sudden cardiac arrest
A research team at Vanderbilt University has developed an innovative optical system to simultaneously image electrical activity and metabolic properties in the same region of a heart, to study the complex mechanisms that lead to sudden cardiac arrest. view more (2009-11-02)
Greater use of in-patient diagnostic imaging improves patient outcomes without significantly impacting costs
Hospitals that make greater use of inpatient diagnostic imaging exams achieve lower in-hospital mortality rates with little or no impact on costs. view more (2009-10-29)
Seeing previously invisible molecules for the first time
A team of Harvard chemists led by X. Sunney Xie has developed a new microscopic technique for seeing, in color, molecules with undetectable fluorescence. view more (2009-10-26)
Concurrent imaging of metabolic and electric signals in the heart
Cardiac rhythm disorders can result from disturbances in cardiac metabolism. These metabolic changes are tightly linked with specific cardiac electrophysiology (CEP) abnormalities, such as depressed excitability, impaired intra- and extracellular conductivities, wave propagation block, and alteration of conduction velocity, action potential... view more... (2009-10-26)
Berkeley researchers create first hyperlens for sound waves
Ultrasound and underwater sonar devices could "see" a big improvement thanks to development of the world's first acoustic hyperlens. Created by researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), the acoustic hyperlens provides an eightfold boost in the magnification power of sound-based... view more... (2009-10-26)
Alzheimer's lesions found in the retina
The eyes may be the windows to the soul, but new research indicates they also may mirror a brain ravaged by Alzheimer's disease. view more (2009-10-22)
Designer molecule detects tiny amounts of cyanide, then glows
A small molecule designed to detect cyanide in water samples works quickly, is easy to use, and glows under ultraviolet or "black" light. view more (2009-10-22)
Lung scintigraphy more reliable than CTA in excluding pulmonary embolism in pregnant patients
A medical imaging procedure known as lung scintigraphy may be more reliable than pulmonary CT angiography (CTA) for identifying or excluding pulmonary embolism (PE) in pregnant patients. view more (2009-10-21)
CT scans better than X-rays when detecting abnormalities in patients with H1N1 virus
Computed tomography (CT) scans are better than standard radiography (X-rays) in showing the extent of disease in patients with the H1N1 virus. view more (2009-10-21)
Blood clots in lungs might not always originate in deep veins of legs and pelvis in trauma patients
Few trauma patients who develop potentially deadly blood clots in the lungs (pulmonary embolism) also have clots in the deep veins of their pelvis and legs (deep venous thrombosis), challenging commonly held beliefs about the association between the two conditions. view more (2009-10-20)
Cassini Helps Redraw Shape of Solar System
In a paper published Oct. 15 in Science, researchers from the Johns Hopkins Applied Physics Laboratory (APL) present a new view of the region of the sun's influence, or heliosphere, and the forces that shape it. Images from one of the Magnetospheric Imaging Instrument's sensors, the Ion and Neutral Camera (MIMI/INCA), on NASA's Cassini spacecraft... view more... (2009-10-16)
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