Medical Physics: Page 15

Philips expands radiation oncology line
By AuntMinnie.com staff writers
Philips Medical Systems is introducing several new products at this week's annual meeting of the American Association of Physicists in Medicine (AAPM) in Pittsburgh.
July 25, 2004
Societies issue primer on radiological terrorism threats
By AuntMinnie.com staff writers
The American College of Radiology (ACR) has teamed up with the American Society of Therapeutic Radiology and Oncology (ASTRO) and the American Association of Physicists in Medicine (AAPM) to release a primer on how to prepare for a radiological terrorist attack.
March 22, 2004
International committee of CT users and vendors settles on mass as the standard measurement of coronary calcium
By Eric Barnes
CHICAGO - The Agatston score has officially been replaced by calcium mass for coronary artery calcium assessment. It has, at least, in the eyes of an international consortium of radiologists, physicists, and vendors that has labored for four years to settle on a new standard designed to work as well for electron-beam CT (EBCT) scanners as it does for multidetector-row CT (MDCT) machines.
December 1, 2003
Studies cast doubt on low-level radiation dangers
By Eric Barnes
Are the risks of low-dose radiation exposure being overestimated? It’s a tantalizing idea, and one that's gaining attention as some imaging proponents look for ways to counter criticism of techniques such as whole-body CT screening.
January 29, 2003
Digital departments need rigorous QA program
By Erik L. Ridley
CLEVELAND - As healthcare institutions convert to digital image management, they can't afford to neglect a comprehensive quality assurance program, according to Stephen Thompson, a medical physicist at the M.D. Anderson Cancer Center in Houston.
May 4, 2002
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CT sees growth, and new concerns over radiation dose
It has been a mixed year for CT. On the one hand, the growth of multislice scanning applications has sparked new interest in a modality that was once seriously threatened by MRI. On the other, radiation dose concerns have cast a shadow that physicists and radiologists alike are working hard to address.
November 24, 2001
Fluoroscopy safety demands a plan
By Jonathan S. Batchelor
As the use of high-dose fluoroscopy for image-guided procedures increases, so does the potential for radiation-induced injuries. Hospitals and administrators should proactively require training and certification in radiation management, according to a Baylor College of Medicine physicist.
October 10, 2001
Bayesian network aids in diagnosing primary bone tumors
By Jonathan S. Batchelor
SALT LAKE CITY - Neural networks are all the rage in computer-aided diagnostic (CAD) tools. A group of researchers at the Medical College of Wisconsin in Milwaukee believe that the use of a Bayesian network may have advantages over neural nets.
May 3, 2001
Dedicated breast CT delivers low radiation dose, fine architectural detail
By Shalmali Pal
CHICAGO - Using a gantry rotation in the coronal plane to image only the breast, physicists from the University of California believe they have developed a dose-efficient technique comparable to two-view mammography.
November 27, 2000
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