Head and Neck Radiology: Page 41

Radiosurgery an option for head/neck cancer reirradiation
By Cynthia E. Keen
The use of fractionated stereotactic radiosurgery can provid good response rates and low toxicity for patients with recurrent head and neck cancer, according to a report published in the International Journal of Radiation Oncology, Biology, Physics.
August 18, 2010
Silicone oil may save vision of eye cancer patients
By Cynthia E. Keen
Eye cancer patients enter treatment knowing that their surgeon's strategy to kill the tumor with radiation may also sacrifice their eyesight. But California researchers have discovered that applying a layer of silicone oil while radiation therapy is being administered may shield healthy eye tissue and preserve vision.
August 15, 2010
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Simultaneous PET/MRI creates diagnostic-quality images
By Wayne Forrest
Structural, functional, and molecular imaging of patients with brain tumors is feasible with diagnostic imaging quality using simultaneous hybrid PET/MR image acquisition, according to a study in the August issue of the Journal of Nuclear Medicine.
August 2, 2010
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Stem cell irradiation helps in glioblastoma
By AuntMinnie.com staff writers
Brain cancer patients with glioblastoma may survive longer if they undergo radiation treatments that include stem cell niches as well as their primary tumors. Patients who received this treatment experienced 15 months of progression-free survival, compared with 7.2 months for patients who had little or no radiation to stem cell niches, according to a study published online in BMC Cancer.
July 27, 2010
Newer dosimeters find big errors in head CT perfusion doses
By Eric Barnes
Traditional radiation dose measurements are grossly inaccurate for perfusion CT head scans, which are being performed with increasing frequency for patients with suspected stroke, according to a study presented on July 22 at the American Association of Physicists in Medicine meeting in Philadelphia.
July 26, 2010
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Study finds diffusion-weighted MRI tops CT in diagnosing stroke
By Wayne Forrest
German researchers are recommending the use of diffusion-weighted MRI instead of CT to diagnose acute ischemic stroke within 12 hours of a person's first stroke symptom, according to new guidelines published in the July 13 issue of Neurology.
July 11, 2010
Onsite pathology evaluation boosts thyroid US-guided FNA
By Erik L. Ridley
Access to onsite pathology evaluation can significantly improve the success rate of ultrasound-guided fine-needle aspiration (FNA) biopsy of thyroid nodules, according to research from the University of North Carolina at Chapel Hill.
July 7, 2010
Optovue responds to FDA warning letter
By AuntMinnie.com staff writers
Optical coherence tomography (OCT) developer Optovue is responding to a warning letter from the U.S. Food and Drug Administration regarding a software feature on its RTVue OCT system.
June 27, 2010
IsoRay to distribute Hologic's GliaSite
By AuntMinnie.com staff writers
Medical isotope developer IsoRay Medical has signed a license agreement for the exclusive worldwide distribution rights to Hologic's GliaSite radiation therapy system.
June 22, 2010
Hypofractionated stereotactic RT ups survival for glioma patients
By Cynthia E. Keen
When brain cancer recurs after initial treatment, patients know they face near-term death. But those who receive hypofractionated stereotactic radiation therapy (RT) to treat recurrent high-grade gliomas have expected survival of almost a year, on average, Philadelphia researchers report.
June 15, 2010
Japanese study takes SNM Image of the Year
By Wayne Forrest
The annual SNM Image of the Year for 2010 comes from researchers at Hokko Memorial Hospital in Sapporo, who fused images of MDCT and technetium-99m sestamibi SPECT to provide information regarding detailed anatomical localization, angiography, and metabolism of an enlarged parathyroid gland.
June 13, 2010
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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
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