Healthcare Imaging Update Archives – May 1, 2008
May 1, 2008
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CT scans and radiation exposure: Exactly how much is too much?
There is no denying that the use of CT scans has increased dramatically since CT was first introduced in the 1970s. According to some estimates, the number of CT scans performed in the United States has grown from 3 million per year in 1980 to more than 62 million per year today, as the technology has become increasingly available and easy to use. -
Are providers at the tipping point with CT?
With the dramatic increases in the use of CT in recent years, people are questioning whether all these tests are really necessary or whether they are just driving up health care expenses. -
Despite challenges, interest grows in CT colonography
While it is not without risks, optical colonoscopy (OC) has long been the gold standard for colorectal cancer screening. -
Ultrasound tool seen as a 'breakthrough' for AF
Early feedback on a new ultrasound technology suggests that it is bringing important improvements to the table for the treatment of heart-rhythm disorders. -
MRI system offers potential for imaging of brain
With initial safety trials of the world's most powerful MRI system completed, clinicians are one step closer to accessing real-time images of biological processes in the brain. -
Teleradiology gives 24/7 boost to small groups
For years, Robert Lefsrud, MD, a radiologist with a subspecialty in neuroradiology and musculoskeletal radiology, was a member of a large and busy radiology group providing services in the Twin Cities area of Minnesota. Two years ago, he and a colleague decided to branch out and form their own company, St. Croix Radiology Consultants in Dellwood, MN. -
New equipment, techniques sought for larger patients
Accompanying the growing demand for radiological services across the country is the growing physical size of the patients requesting those services. This demand has brought new challenges in terms of obesity and radiology. Can good quality images be obtained from an obese patient, and can that obese patient even fit on a machine? -
Data confirm FDG-PET impact on patient care
Clinicians changed the intended care of more than one in three cancer patients as the result of FDG-PET scan findings, according to a study of data from the National Oncologic PET Registry (NOPR), published online in the Journal of Clinical Oncology (JCO).