Why is thyroid cancer being overdiagnosed in Canada?
August 22, 2017 -- Despite stable mortality rates over time, the incidence of thyroid cancer has skyrocketed in Canada -- particularly among middle-aged women and in certain provinces. The culprit for this "overdiagnosis epidemic" is diagnostic imaging, according to a study published online in CMAJ Open.  Discuss
AI predicts dementia years before symptoms occur
August 22, 2017 -- An artificial intelligence (AI) algorithm can recognize the signatures of dementia on amyloid PET scans two years before the onset of symptoms, according to research published online recently in Neurobiology of Aging.  Discuss
Annual breast screening reduces deaths by almost 40%
August 21, 2017 -- Annual breast cancer screening with mammography starting at age 40 results in a nearly 40% reduction in breast cancer-specific deaths compared with screening at less-frequent intervals, according to a study published online August 21 in the journal Cancer.  Discuss
Hybrid modalities disappoint in bone metastases accuracy
August 21, 2017 -- Despite the apparent technological advantages of SPECT/CT, PET/CT, and PET/MRI, the three hybrid modalities do not perform appreciably better than planar bone scintigraphy in detecting and diagnosing bone metastases, according to a study published online August 10 in the Journal of Nuclear Medicine.  Discuss
How to develop deep-learning algorithms for radiology
August 18, 2017 -- Do you want to develop deep-learning algorithms for medical imaging applications at your institution? There are some important practical considerations to be aware of, according to an August 17 webinar sponsored by the Society for Imaging Informatics in Medicine.  Discuss
Saudi-Irish study highlights major differences in MRI practice
August 18, 2017 -- An investigation of quality management for abdominal and pelvic MRI scans in Saudi Arabia and the Republic of Ireland has shown that staffing issues, variable adherence to local rules and procedures, and lack of policies governing work practices contribute to major fluctuations in clinical practice.  Discuss
JAMA: PET best option to diagnose ischemic heart disease
August 17, 2017 -- A head-to-head comparison to determine the most accurate modality for diagnosing myocardial ischemia has found that PET outperforms SPECT, coronary CT angiography, and hybrid variations of the three modalities in patients with suspected coronary artery disease, according to a study published online August 16 in JAMA Cardiology.  Discuss
2D synthesized DBT screening is ready for prime time
August 17, 2017 -- Breast cancer screening with synthesized 2D digital breast tomosynthesis (DBT) is ready for routine clinical use, according to a study published online August 5 in Breast Cancer Research and Treatment that compared the technique with screening using full-field digital mammography (FFDM) and FFDM plus DBT.  Discuss
Utilization of MSK imaging soars over 2 decades
August 17, 2017 -- Led by a significant increase in the use of advanced imaging modalities, musculoskeletal imaging utilization in Medicare patients rose considerably over the past two decades, according to research published online August 4 in the American Journal of Roentgenology.  Discuss
UCSF radiologist develops augmented reality software
August 16, 2017 -- A pediatric radiologist at the University of California, San Francisco (UCSF) has developed an imaging augmented reality software application for use in planning liver transplants and surgery -- one that he hopes could not only reduce surgical times but also boost surgeons' confidence in their treatment plans.  Discuss
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