Head and Neck Radiology: Page 49

Functional MRI helps find root of macular degeneration
By Wayne Forrest
Through the use of fMRI, U.S. researchers are shedding light on the neural mechanism at the root of macular degeneration. Changes in neural response in people with macular degeneration are probably driven by the lack of input to a population of neurons, rather than a change in visual information processing strategy, according to a new study.
April 7, 2009
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CT for brain metastasis unnecessary after PET/CT
By Eric Barnes
A CT scan is often ordered to find brain metastases in lung cancer patients. But if a whole-body PET/CT scan is already available from the original workup, there's no need for a dedicated CT scan, according to researchers from Belgium, who found that the CT portion of the PET/CT scan is enough for the initial diagnosis.
April 1, 2009
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High-dose brachytherapy shortens cancer treatment
By AuntMinnie.com staff writers
Perioperative high-dose-rate brachytherapy, when combined with intermediate-dose external-beam radiation therapy (EBRT), can be effective as an alternative to full-dose EBRT in patients with unirradiated squamous cell cancer of the oral cavity and oropharynx.
March 29, 2009
Bronx Zoo gorilla gets MRI scan
By AuntMinnie.com staff writers
A gorilla at the Bronx Zoo has received an MRI brain scan, according to the Wildlife Conservation Society.
March 26, 2009
AFP adds, cuts dealers in Canada
By AuntMinnie.com staff writers
Digital x-ray developer AFP Imaging is expanding its Dent-X division's dealer sales network in Canada.
March 12, 2009
MRI helps uncover evolution of postconcussion symptoms
By Wayne Forrest
Ohio researchers are using MRI to better understand how concussion symptoms evolve in young patients and what cases may have lingering aftereffects. So far, they have found that one in four children with a traumatic brain injury or concussion displayed significant postconcussive symptoms more than a year after the injury.
March 4, 2009
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Morning radiation therapy minimizes side effects for some patients
By Cynthia E. Keen
Scheduling radiation therapy sessions to occur in the morning can reduce side effects for patients with head and neck cancers, according to a Canadian study published in the International Journal of Radiation Oncology, Biology, Physics.
February 25, 2009
AACE creates endocrine certification
By AuntMinnie.com staff writers
With guidance from the American Institute of Ultrasound in Medicine, the American Association of Clinical Endocrinologists (AACE) has developed an endocrine certification in neck ultrasound.
February 24, 2009
MRI helps uncover use of deadly erectile dysfunction drug
By Wayne Forrest
MRI's ability to find abnormalities in severe cases of hypoglycemia proved beneficial to Singapore physicians in diagnosing patients who consumed an erectile dysfunction drug that's illegal in that country -- and that caused several patient deaths.
February 24, 2009
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Quantitative MRA shows promise in stenosis detection
By AuntMinnie.com staff writers
Researchers at Rush University Medical Center in Chicago have found quantitative MR angiography (QMRA) to be a promising screening tool for detecting in-stent stenosis with high sensitivity and specificity.
February 11, 2009
MRI shows brain atrophy to predict Alzheimer's
By AuntMinnie.com staff writers
Using MRI, researchers at the University of California, San Diego (UCSD) School of Medicine have identified a pattern of regional brain atrophy in patients with mild cognitive impairment that indicates a greater likelihood of progression to Alzheimer's disease.
February 10, 2009
Ultrasound elastography shows potential in thyroid nodules
By Erik L. Ridley
Ultrasound elastography may be useful as an adjunct for the challenging task of evaluating thyroid nodules, according to a pair of recent studies from Thomas Jefferson University in Philadelphia and Hanyang University Hospital in Seoul, South Korea.
February 10, 2009
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