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PET finds why some dementia patients live longer

July 10, 2018 -- A follow-up study by German researchers has pinpointed the presence of frontotemporal lobar degeneration as the determining factor to explain why Alzheimer's patients with amyloid-positive PET scans can outlive patients with negative amyloid results. Discuss

In era of AI, Swiss group puts stress on human touch

July 10, 2018 -- During an age when machines and artificial intelligence (AI) are playing an increasing role, radiologists must become more visible to safeguard patients' perception of them as physicians and as human beings, according to Swiss-led research. This involves setting aside time for direct communication with patients. Discuss

MRI scans show neckties cut blood flow to brain

July 9, 2018 -- You now have another reason to hate neckties. German researchers using MRI discovered that neckties can constrict blood flow to the brain, according to a study published online on 30 June in Neuroradiology. Discuss

Opinion: Stop misleading women on breast screening

July 6, 2018 -- The article published 5 July by JAMA Oncology about the cost-effectiveness of breast screening is another example of the type of "nonscience" from a leading tabloid journal, writes Dr. László Tabár. Women and decision-makers deserve correct and honest information, and it's time to focus on the harm of not being screened, he notes. Discuss

Cardiac hybrid imaging predicts adverse cardiac events

July 6, 2018 -- A cardiac hybrid imaging technique that fuses SPECT myocardial perfusion imaging with coronary CT angiography scans can help predict major adverse cardiac events in patients suspected of having coronary artery disease, according to a study published online on 3 July in Radiology. Discuss

Australian reactor woes worry nuclear medicine

July 6, 2018 -- The shutdown of shipments from a nuclear reactor in Australia that is a key part of the global supply network for the radioisotope molybdenum-99 is causing consternation in the nuclear medicine community, particularly in the Asia-Pacific region. Discuss

Would risk-based breast screening be more cost-effective?

July 5, 2018 -- Not offering breast screening to women at lower risk of cancer could improve the cost-effectiveness of screening programs, reduce overdiagnosis, and maintain most of the benefits of screening, according to U.K. research published online on 5 July by JAMA Oncology. Discuss

Simulated PET scans verify proton therapy delivery

July 5, 2018 -- Researchers have moved closer to the real-time verification of hadron therapy, demonstrating the in vivo accuracy of simulations that predict particle range in the patient. The new Monte Carlo tool is a key component of a system that measures particle range during treatment and compares it with the predictions. Discuss

The dilution and demise of human expertise

July 4, 2018 -- The academic mindset has turned into fast McDonalds-style science, and hard evidence and clear and proven results are ousted by assertions lacking scientific foundations, the Maverinck writes. He fears the ivory tower of yore has been replaced by blathering smartphone science. Discuss

Germans issue new protocol recommendations for spinal MRI

July 3, 2018 -- The German Radiological Society's working group on musculoskeletal imaging has released new protocol recommendations for spinal MRI examinations. In a Q&A interview, Dr. Andrea Baur-Melnyk explains the rationale behind the guidelines. Discuss

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