Radiation dose fears colorcoronary CTA guidelines
April 1st 2009Citing uncertainties about a linkbetween ionizing radiation and cancer,an American Heart Association expertpanel is advising cardiac imagers to usecoronary multislice CT angiographyonly when its clinical benefits areclearly established.
Disagreement continues to dog screening mammography
April 1st 2009In a commentary on the mammography controversypublished in Diagnostic Imaging six and ahalf years ago,2 I discussed how two prestigiousgroups of scientists analyzed data from the eightmost commonly recognized clinical trials onscreening mammography conducted to date andarrived at opposite conclusions.
Study offers updated guidelines on useof breast MR imaging
April 1st 2009Surgical decisions should not be based solely on MRI findings because not all suspicious lesions on MRI are cancer, and suspicious lesions should be biopsied before a surgical plan is devised in order to avoid surgical overtreatment, according to guidelines published in the Journal of the National Comprehensive Cancer Network.
Study blasts agenciesfor radiation standards
March 1st 2009A study from the Institute for Energy and Environment Research blasted U.S. regulators for relying on radiation protection rules that underestimate exposure risks for women and children because they are based on standards of a “reference man,” a hypothetical 20 to 30-year-old white male.