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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.
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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.
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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.
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Numerous trials have shown that ultrasound offers certain advantages over other imaging technologies in determining whether some lesions are cancerous. However, data presented thus far are less convincing when ultrasound is used as a screening methodology.
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MRI indicated at diagnosis:
in a woman with newly diagnosed breast cancer, at risk of multifocality, to assess the need for mastectomy or lumpectomy;
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While results from the Digital Mammographic Imaging Screening Trial (DMIST) trial, published in 2005, demonstrated that digital mammography outperformed conventional film-screen mammography for a large percentage of women, data from the Food and Drug Administration (FDA) show that the technology has only been adopted by 34% of the 8,853 imaging sites in the United States.
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A prophylactic procedure performed before surgery last fall on N.J. Gov. Jon Corzine could raise the public's awareness of using radiation to treat heterotopic ossification (HO), says Carol Kornmehl, MD, director of radiation oncology at St. Mary's Passaic (NJ) Hospital and author of the book, The Best News About Radiation Therapy.
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The value of magnetic resonance imaging (MRI) in helping clinicians to better assess the size and extent of known breast cancers is well established.