Medical Physics: Page 9

Studies show Varian RapidArc benefits
By AuntMinnie.com staff writers
Two studies presented at the American Association of Physicists in Medicine and the Canadian Organization of Medical Physicists joint meeting show benefits from Varian Medical Systems' RapidArc radiotherapy technology.
August 9, 2011
Raising DR tube voltage reduces dose for lumbar studies
By James Brice
Ignoring manufacturer guidelines for imaging equipment is usually inadvisable, but Kuwaiti researchers have found that doing so for digital radiography (DR) lumbar studies can reduce radiation exposure, according to a poster presentation at last week's American Association of Physicists in Medicine meeting.
August 9, 2011
Gold nanoparticles add cancer-killing power to radiotherapy
By James Brice
With a note of appreciation to Albert Einstein, medical physicists at Boston's Brigham and Women's Hospital are learning how gold nanoparticles can serve as an effective secondary source of cancer-killing electrons generated as a byproduct of the element's exposure to radiation.
August 4, 2011
QA software creates framework for assessing CT radiation risks
By James Brice
Initial experience with software that calculates radiation risk based on patient age, gender, and dose suggests that radiation exposure varied by as much as 50% among facilities, according to a study presented at this week's American Association of Physicists in Medicine meeting.
August 3, 2011
Siemens debuts products at AAPM show
By AuntMinnie.com staff writers
Siemens Healthcare is introducing three new additions to its radiation oncology product portfolio at the annual meeting of the American Association of Physicists in Medicine (AAPM) and the Canadian Organization of Medical Physicists (COMP) in Vancouver, British Columbia, this week.
August 1, 2011
Radiology Oncology adds to offerings
By AuntMinnie.com staff writers
Radiation oncology and imaging equipment reseller Radiation Oncology Systems introduced its Total Solution Package at this week's joint meeting of the American Association of Physicists in Medicine and the Canadian Organization of Medical Physicists in Vancouver, British Columbia.
August 1, 2011
QC software improves consistency of digital mammo results
By Kate Madden Yee
Using software to partially automate and centralize routine quality control (QC) of digital mammography could improve the modality's consistency and reliability, while streamlining QC procedures, according to research presented this week at the American Association of Physicists in Medicine meeting in Vancouver, British Columbia.
August 1, 2011
Varian to debut Aria version 11
By AuntMinnie.com staff writers
Radiation therapy firm Varian Medical Systems will highlight the next release of its Aria oncology information system at the 2011 joint meeting of the American Association of Physicists in Medicine and the Canadian Organization of Medical Physicists in Vancouver, British Columbia.
July 31, 2011
FFDM increases repeat rate for screening mammography
By Kate Madden Yee
Switching from film-screen to full-field digital mammography (FFDM) increases the total repeat rate for screening mammograms, offsetting some of the dose savings afforded by the digital equipment, according to research presented this week at the American Association of Physicists in Medicine meeting in Vancouver, British Columbia.
July 31, 2011
Radcal debuts x-ray meter
By AuntMinnie.com staff writers
X-ray measurement technology developer Radcal will release its Accu-Gold diagnostic x-ray multianalyzer meter at the upcoming American Association of Physicists in Medicine (AAPM) annual meeting in Vancouver, British Columbia.
July 25, 2011
DISC readies DR Radchex Plus
By AuntMinnie.com staff writers
Radiography quality control technology developer Diagnostic Imaging Specialists (DISC) will introduce its DR Radchex Plus system at the American Association of Physicists in Medicine meeting next month in Vancouver, British Columbia.
June 16, 2011
ISCT: Radiation risk shouldn't alter CT scan decision
By Eric Barnes
SAN FRANCISCO - When ordering CT exams, put the calculator away, forget about radiation risk, and focus on whether the scan is necessary, said a leading medical physicist on the opening day of the International Society for Computed Tomography (ISCT) 2011 annual meeting.
June 13, 2011
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