RADIOLOGY NEWS
DWI-MRI shows vision changes could predict Parkinson's
July 14, 2017 -- With the help of diffusion-weighted MR imaging (DWI-MRI), researchers in Italy have uncovered changes in the visual systems of patients newly diagnosed with Parkinson's disease, according to a study published online 11 July in Radiology.  Discuss
8 ways to boost accuracy in lateral chest x-rays
July 13, 2017 -- A clear understanding of normal thoracic anatomy and appearances on a lateral chest radiograph, along with a systematic approach for reviewing cases, can increase confidence with interpretation, according to U.K. researchers who have developed an eight-point plan to help the process.  Discuss
Radiotherapy boost based on PET not always helpful
July 13, 2017 -- Selectively increasing radiotherapy dose in tumor areas with significant uptake of the PET radiotracer F-18 fluoromisonidazole (FMISO) does not necessarily improve outcomes for non-small cell lung cancer patients, according to a phase II study published in the July issue of the Journal of Nuclear Medicine.  Discuss
New CT technique identifies blood vessel plaque
July 13, 2017 -- A new CT technique can measure blood vessel inflammation, allowing doctors to identify and treat patients at risk for cardiovascular disease, according to a U.K. study published online 12 July in Science Translational Medicine.  Discuss
Why Brexit may cause severe radioisotope shortages
July 12, 2017 -- Deep concerns are emerging among imaging and oncology specialists that Brexit and the U.K.'s subsequent withdrawal from the European Atomic Energy Community treaty will have a huge impact on nuclear medicine services. Unless issues are resolved soon, cancer patients will suffer, they say.  Discuss
DOPA-PET can alter brain tumor therapy decisions
July 11, 2017 -- The use of the radiopharmaceutical fluorine-18 dihydroxyphenylalanine (F-18 DOPA) with PET imaging can lead to beneficial changes in management plans for patients with brain tumors, according to a study presented by French researchers at the recent Society of Nuclear Medicine and Molecular Imaging meeting.  Discuss
3D ultrasound quantifies subclinical atherosclerosis
July 11, 2017 -- While detecting subclinical atherosclerosis is useful, quantifying the plaque burden is even more valuable. A 3D vascular ultrasound method can reliably perform this task and help estimate cardiovascular risk, according to research published in the 18 July issue of the Journal of the American College of Cardiology.  Discuss
Gadolinium: PRAC modifies advice on contrast agents
July 10, 2017 -- After taking a long, hard, second look at the safety data of gadolinium-based MRI contrast agents, the Pharmacovigilance Risk Assessment Committee (PRAC) of the European Medicines Agency is backing off slightly from its prior recommendation that several gadolinium-based agents be pulled from the market.  Discuss
For dense breasts, double read DBT and synthesized images
July 10, 2017 -- For women with mammographically negative dense breasts, double reading of digital breast tomosynthesis (DBT) plus synthesized 2D images is the most accurate of all DBT reading strategies. However, double reading also has the longest reading time, according to new research.  Discuss
Human protein-based nanoprobes for MRI
July 7, 2017 -- An international team of researchers is reporting on the first-ever human protein-based tumor-targeting MRI contrast agent. The biohybrid composite, which can also be easily cleared by the body, could be used to detect tumors in their early stages, thanks to its enhanced MRI contrast and shorter proton relaxation time.  Discuss
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