News tagged with american roentgen ray society
3T MRI can detect wrist ligament tears, possibly eliminating need for invasive arthroscopy
Jan 06, 2009 |
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MRI of the wrist at 3T is an effective way to detect wrist ligament tears and in some cases can avoid unnecessary surgery, according to a study performed at Neuroskeletal Imaging in Merritt Island, Florida.
Radiologists overestimate their overall risk of malpractice lawsuits in breast imaging
Feb 02, 2009 |
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Radiologists who work in breast imaging tend to overestimate their actual risk of medical malpractice lawsuits, according to a study performed at the University of Washington School of Public Health and Community Medicine ...
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Dental delight! Tooth of sea urchin shows formation of biominerals
Dec 21, 2009 |
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(PhysOrg.com) -- Some of the most common minerals in biology, including those in bones and shells, have a mysterious structure: Their crystals are positioned in the same orientation, making them behave as ...
Older dental fillings contain form of mercury unlikely to be toxic
Dec 09, 2009 |
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A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. It appears online in ACS' journal ...
Beverage can stay-tabs pose swallowing risk
Nov 30, 2009 |
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Three decades ago, a study revealed that beverage can pull-tabs were being swallowed by children, prompting a switch by U.S. manufacturers to stay-tabs. But a study presented today at the annual meeting of the Radiological ...
New on-off 'switch' triggers and reverses paralysis in animals with a beam of light (w/ Video)
Nov 18, 2009 |
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In an advance with overtones of Star Trek phasers and other sci-fi ray guns, scientists in Canada are reporting development of an internal on-off "switch" that paralyzes animals when exposed to a beam of ultraviolet ...
Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study
Chemistry / Analytical Chemistry
Nov 11, 2009 |
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(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...
Imaging cuts in Medicare fee schedule: An access catastrophe and danger to patients
Nov 03, 2009 |
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Medical imaging cuts contained in the 2010 Medicare Physician Fee Schedule will restrict life-saving imaging care to large hospitals, produce longer commutes and wait times to receive care, and cause life threatening delays ...
Additional, specialized radiation not necessary for some women after mastectomy
Nov 03, 2009 |
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After mastectomy, breast cancer patients who receive radiation treatment to the lymph nodes located behind the breast bone do not live longer than those who do not receive radiation to this hard-to-treat area, according to ...
Adding proton therapy 'boost' to X-ray radiation therapy reduces prostate cancer recurrences
Nov 02, 2009 |
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Men who receive a "boost" of proton therapy after receiving a standard course of X-ray radiation therapy have fewer recurrences of their prostate cancer compared to men who did not receive the extra dose of proton radiation, ...
Powerful laser sheds light on fast ignition and high energy density physics
Nov 02, 2009 |
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A new generation of high-energy (>kJ) petawatt (HEPW) lasers is being constructed worldwide to study high intensity laser matter interactions, including fast ignition. Fast ignition is a laser-based technique ...
Radiation after surgery reduces chance of melanoma returning
Nov 02, 2009 |
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High-risk melanoma patients who are treated with radiation after surgery have a significantly lower risk of their cancer returning to the lymph nodes (19 percent), compared to those patients who do not have radiation therapy ...
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