Catherine CarringtonMRICardiac MR reveals evidence of subendocardial ischemia in syndrome XSyndrome X is characterized by a puzzling collection of findings including typical angina on exertion, the suggestion of myocardial ischemia on exercise stress testing, and normal coronary arteries on angiography. A study in The New England Journal of Medicine harnessed cardiac MR's superior resolution to provide a more detailed picture of subendocardial perfusion.July 21, 2002MRIContrast-enhanced MRI defines risk of breast microcalcificationsDynamic contrast-enhanced MRI can differentiate benign from malignant breast lesions in women with mammographically detected microcalcifications, perhaps sparing them the need for surgical biopsy, according to U.K. researchers.July 21, 2002Molecular ImagingFDG-PET signals early response of malignant GI tumors to GleevecPET is more accurate than CT for predicting whether patients with advanced gastrointestinal tumors will respond to a promising new chemotherapy drug, according to a study from the Dana Farber Cancer Institute in Boston. Moreover, PET often signals the good news after only a day of therapy, long before the tumor has begun to shrink.June 30, 2002Page 1 of 1Top StoriesDigital X-RayDietary choline increases BMD in postmenopausal womenDietary choline may improve bone density (BMD) in postmenopausal women.Molecular ImagingSPECT/CT identifies prostate cancer patients with poor outcomesPractice ManagementMedical societies, experts share mixed thoughts on 'Big Beautiful Bill'AIReport: Leadership proves central to integration of radiology AICTBoth standard and ultrahigh resolution modes effective for PCCT CCTA