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CHICAGO - The practice of medicine has always been shaped by turf battles, and the current conflict over physician self-referral -- in both the local practice and the federal government arenas -- is the latest thorny issue for radiologists. Two studies presented Monday at the 2007 RSNA meeting explored the problem.  
CHICAGO - Despite recent attempts by emergency medicine physicians to secure a major role for their specialty in emergency department ultrasound and x-ray studies, radiologists still retain overwhelming control over the exams, according to a presentation Monday at the 2007 RSNA meeting.  
CHICAGO - The use of hyperpolarized helium diffusion MRI allows clinicians to assess early changes in the lungs of individuals exposed to secondhand smoke, researchers reported in a presentation on Monday at the RSNA 2007 meeting.  
CHICAGO - Breast ultrasound can detect mammographically occult early-stage cancer, but there is still a substantial risk of false positives (FP), according to initial results of the ACRIN 6666 trial presented Monday at the RSNA 2007 meeting.  
CHICAGO - Multimodality vendor GE Healthcare is demonstrating a range of new technologies in its RSNA booth, including a new high-definition CT platform, an MRI scanner for dedicated breast imaging, and technology for freezing motion in PET/CT studies.  
CHICAGO - Toshiba America Medical Systems lobbed an unexpected shell into the multislice CT wars at this week's RSNA meeting, debuting Aquilion One, a CT system based on 320-slice architecture. The company is also highlighting its work-in-progress Vantage Titan MRI system, as well as its new 4D volume imaging applications for the Aplio and Xario ultrasound systems, its upgraded Xario XG system, and new 4D transducers.  

Crowds look at technical exhibits on the second day...
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Guide to Technical Exhibits
Teleradiology Services
Road to RSNA 2007: Teleradiology Services Preview

Healthcare Informatics
Road to RSNA 2007: Healthcare Informatics Preview

Archiving Systems
Road to RSNA 2007: Archiving Systems Preview

Advanced Visualization
Road to RSNA 2007: Advanced Visualization Preview

Road to RSNA 2007: Ultrasound Preview

Medical Displays
Road to RSNA 2007: Medical Displays Preview

Road to RSNA 2007: CAD Preview

Speech Recognition & Reporting
Road to RSNA 2007: Speech Recognition & Reporting Preview

PACS Accessories
Road to RSNA 2007: PACS Accessories Preview

Road to RSNA 2007: MRI Preview

Women's Imaging
Road to RSNA 2007: Women's Imaging Preview

Road to RSNA 2007: PACS Preview

Molecular Imaging
Road to RSNA 2007: Molecular Imaging Preview

Digital X-Ray
Road to RSNA 2007: Digital X-Ray Preview

Road to RSNA 2007: CT Preview

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