MRI beats PET for myocardial evaluation in patients with impaired LV function
 January 9, 2009 -- While MRI is known to detect more myocardial scarring than PET in patients with occlusive coronary artery disease, a new study suggests that contrast-enhanced MRI can make a critical difference in treatment planning for revascularization candidates with severely impaired left ventricular (LV) function.
Study calculates radiation dose risk for infants in Belgian NICU
January 8, 2009 -- A Belgian study has shed additional light on the amount of radiation dose delivered to infants in neonatal intensive care units (NICUs). The research provides reference values for NICU radiation dose, and also offers guidance on collecting dose measurements and converting them into organ-dose values.
Uterine fibroid embolization does not prevent future pregnancy
January 8, 2009 -- NEW YORK (Reuters Health), Jan 8 - Uterine artery embolization for the treatment of myomata is not contraindicated in young women who want to preserve their fertility, according to results of a prospective study conducted in Spain.
PET-based F-18 FLT equivocal for leukemia imaging
January 7, 2009 -- Researchers in Germany and the U.S. hoped that switching radiopharmaceuticals from FDG might improve PET's performance for imaging leukemia. While they found some benefits to using the new tracer, they also discovered some shortcomings.
Ultrasound tracks icatibant effects in osteoarthritis
January 7, 2009 -- NEW YORK (Reuters Health), Jan 7 - For the most part, contrast-enhanced ultrasound performs as well as contrast-enhanced MRI in monitoring the action of the bradykinin receptor 2 antagonist icatibant in patients with painful knee osteoarthritis, German researchers report.
FFDM performs well versus analog for screening, studies show
January 6, 2009 -- At the RSNA meeting in Chicago, researchers from Europe and the University of California, Los Angeles presented studies that support full-field digital mammography (FFDM) as being equal to or better than analog for screening programs, with users of several different types of FFDM technology reporting good results.
SPECT/CT outdoes planar imaging with lymph nodes
 January 5, 2009 -- A newly released study in this month's issue of the Journal of Nuclear Medicine has found that SPECT/CT is better than planar imaging in accurately determining lymph node involvement at radioablation performed for thyroid cancer.
Internal mammary node biopsies needed for better RT planning
December 31, 2008 -- A large study of breast cancer patients reveals that only 5% of patients with cancer-positive internal mammary nodes who receive radiation therapy (RT) will die of breast cancer recurrence within five years. This survival rate is comparable to patients with positive axillary lymph nodes who receive radiation therapy.
MRIs may damage cochlear implants
December 30, 2008 -- NEW YORK (Reuters Health), Dec 30 - Tests show that certain MRI machines may demagnetize magnets used in cochlear implants to couple external and implanted components, according to a report in the December issue of Otolaryngology--Head and Neck Surgery.
Screening for thyroid cancer worthwhile in some childhood cancer survivors
December 29, 2008 -- NEW YORK (Reuters Health), Dec 29 - While ultrasound screening for thyroid cancer in the general population is not cost-effective and may lead to unnecessary surgery, it is worthwhile in childhood cancer survivors who received radiotherapy involving the head, neck, or upper thorax, according to Italian researchers.
Greatest pain comes four hours after MR arthrogram injection
December 26, 2008 -- Researchers in Switzerland have found that patients who undergo MR arthrography temporarily experience the most pain in the affected joints four hours after injection. The study also showed that the pain is most pronounced in younger patients, but the discomfort for virtually all patients disappears after one week.
Ultrasound suitable for soft-tissue mass triage
December 24, 2008 -- Ultrasound can be a useful triage tool for evaluating soft-tissue masses, according to researchers from Leeds Teaching Hospitals NHS Trust in the U.K. They prospectively studied 358 consecutive patients with soft-tissue masses who had received ultrasound exams over a six-month period.
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