Radiology News
Integrated circuit detector cuts noise, dose in CTC
April 23, 2014 -- More efficient detector circuitry can reduce image noise in CT colonography (CTC) images by about 10% -- or, alternatively, reduce radiation dose by about 20% if noise levels were to remain unchanged -- according to a study of nearly 400 individuals.
Ambulance with mobile CT cuts stroke treatment times
April 23, 2014 -- An ambulance equipped with a mobile CT scanner and thrombolysis equipment reduced treatment times for stroke patients without a corresponding increase in adverse events, according to a study published by German researchers in the Journal of the American Medical Association.
MR attenuation correction for PET/MRI must consider bone factor
April 22, 2014 -- When it comes to standard MR attenuation correction for whole-body PET/MRI oncology scans, Danish researchers are advising users to account for bone attenuation to eliminate bias in tracer uptake of bony and soft-tissue lesions.
Commentary: Coronary CT angiography doses must be public
April 21, 2014 -- It's high time to start down the path to radiation dose transparency for coronary CT angiography -- as a mark of service quality, according to a hard-hitting guest editorial by a top U.K. cardiac imaging specialist writing in the British Journal of Radiology.
MRI finds loss of brain volume in older, apathetic adults
April 18, 2014 -- MRI scans have revealed that older adults with bouts of apathy may have smaller volumes of gray and white matter in areas of the brain associated with learning, memory, and internal communication, according to a researchers from the Netherlands, the U.S., and Iceland in a study published online on 16 April.
Swiss board repeats call to abolish breast screening
April 16, 2014 -- Breast cancer screening programs in Switzerland should be wound down, as screening does not clearly produce more benefits than harms, according to an editorial by two members of the Swiss Medical Board published in the New England Journal of Medicine.
Opposition builds in Europe over Swiss breast screening report
April 16, 2014 -- A report by Swiss medical authorities to recommend a halt to breast screening is drawing fire from radiologists, who said the recommendation is based on faulty science. The Swiss position is gaining renewed attention after publication of an online article on 16 April in the New England Journal of Medicine.
Swedish project helps uncover secrets of ancient Egypt
April 16, 2014 -- Visualization experts and radiologists from Sweden are contributing to a pioneering project designed to shed new light on ancient Egyptian mummies and improve education of museum visitors. The team behind the project shares their experiences and give tips on how to get the best results.
New study turns light on imaging in the shadows
April 16, 2014 -- Many patients believe that the referring clinician is the doctor and the radiologist is just a picture taker. There needs to be more awareness that the radiologist is the patient's doctor just like any other, according to Dr. Jan Bosmans. To understand how wide the misconception of radiologists is, Bosmans is conducting a survey on the conceptions and perceptions of diagnostic radiology.
PET shows vegetative patients' chance for recovery
April 16, 2014 -- Belgian researchers have found that FDG-PET scans are more useful than functional MRI in identifying which severely brain damaged individuals in vegetative states have the potential to recover consciousness.
Profile of medical physicists looks set to rise sharply
April 15, 2014 -- The new European Union directive on the safety of ionizing radiation in medicine requires closer involvement of medical physics experts in radiology. This interview with Dr. Horst Lenzen discusses how this requirement can be met without placing excessive demands upon hospitals.
CAD can't outpoint second human reader in chest radiography
April 14, 2014 -- While computer-aided detection (CAD) software can improve lung nodule detection on chest radiographs, the use of CAD as a second reader can't yet outperform double reading by two human readers, Dutch researchers have reported.
Dutch place 1st MR-guided radiation therapy unit
April 14, 2014 -- Researchers at the University Medical Center in Utrecht, the Netherlands, have begun installation of what is thought to be the world's first high-field MRI-guided radiation therapy system. The clinical realization of this technology may represent the ultimate breakthrough in real-time image guidance.
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