Head and Neck Radiology: Page 42

Mayo Clinic patients with fatal thyroid cancer beat odds
By Cynthia E. Keen
An aggressive treatment combining intensity-modulated radiation therapy with chemotherapy has increased survival in patients diagnosed with anaplastic thyroid cancer. Most patients treated at the Mayo Clinic are living one to two years after treatment, versus the median outcome of death in five months.
June 13, 2010
Risk model predicts which kids may need orbital CT
By Cynthia E. Keen
Children admitted to emergency departments with acute periorbital swelling can be a challenge to diagnose. Specialists from Children's Hospital Boston used its hospital database of electronic medical records to create a risk model to try to give pediatric radiologists a better handle on when CT should or should not be used.
June 10, 2010
IMRT reduces dry mouth toxicity
By AuntMinnie.com staff writers
Intensity-modulated radiation therapy (IMRT) reduces xerostomia, or dry mouth, in patients receiving the treatment for head and neck cancers, but it is unknown if the treatment is better or worse at reducing the size of tumors, according to a new comparative effectiveness review from the U.S. Agency for Healthcare Research and Quality.
June 1, 2010
320-slice CT identifies vocal cord dysfunction in asthma patients
By Edward Susman
NEW ORLEANS - Researchers from Australia at this week's American Thoracic Society meeting suggested that dynamic 320-slice CT can noninvasively pinpoint vocal cord dysfunction among patients with asthma.
May 18, 2010
Calcifications on CT distinguish malignant thyroid lesions
By Eric Barnes
The presence of calcification on CT scans of thyroid nodules can neither prove nor rule out malignancy -- but calcification patterns may be one useful tool that radiologists can use to assess the likelihood of cancer, say researchers from China.
May 11, 2010
MRI finds missed injuries on negative CT of blunt trauma
By Wayne Forrest
Even if a negative CT scan shows no injuries in the cervical spine after blunt trauma, MRI should be used to evaluate patients who are obtunded or unexaminable to avoid missed injuries due to the modality's excellent sensitivity for soft-tissue injuries.
May 11, 2010
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Gamma Knife controls pituitary adenoma tumors
By AuntMinnie.com staff writers
Gamma Knife radiosurgery is very effective in controlling pituitary adenomas, according to a presentation at the American Association of Neurological Surgeons annual meeting being held May 1-5 in Philadelphia.
May 3, 2010
Thyroid elastography may reduce unnecessary FNA biopsies
By Erik L. Ridley
A significant percentage of thyroid nodule fine-needle aspiration (FNA) biopsies lead to benign findings. But use of thyroid elastography may avoid the need for biopsy in many of these patients, according to research published in the April issue of the Journal of Ultrasound in Medicine.
April 20, 2010
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Dual-phase CT protocol drops dose for tracheal exams in kids
By Cynthia E. Keen
Tracheomalacia, a weakness in the tracheal walls and supporting cartilage that can cause expiratory collapse, can be difficult to diagnose. Dual-phase CT provides a fast and accurate means of diagnosing the condition, but its use comes with an important caveat: double the radiation dose.
April 19, 2010
CT fails to explain racial variation in child abuse mortality
By Cynthia E. Keen
African-American children with traumatic brain injuries resulting from abuse or nonaccidental trauma are three times more likely to die in hospital emergency departments than Caucasian children, a new study from pediatric radiologists in Ohio indicates.
April 8, 2010
Low-cost US device shows promise for carotid screening
By Erik L. Ridley
While strokes caused by carotid artery stenosis are preventable, duplex ultrasound screening has failed to demonstrate cost-effectiveness. The developers of an inexpensive ultrasound device hope to change the equation with a two-step screening process analogous to the practice of mammography.
April 8, 2010
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ACRIN launches PET/CT cancer study
By AuntMinnie.com staff writers
The American College of Radiology Imaging Network (ACRIN) has started a multicenter trial designed to assess the value of FDG-PET/CT staging for head and neck cancer patients.
April 6, 2010
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