Thoracic Imaging: Page 48

PET assists in predicting response to chemotherapy
By Philip Ward
Dutch researchers have used positron emission tomography (PET) to predict how much of an anticancer drug is absorbed by a tumor. In a preliminary study in lung cancer patients reported today in Dublin, they revealed that less than 1% of the drug docetaxel is absorbed by the tumors.
November 7, 2012
2012 11 08 11 54 04 87 2012 11 08 Pet Ct Thumb
Cases of asbestos exposure require close scrutiny
By Philip Ward
Asbestos-related disease remains an important issue due to the long latent period between environmental or occupational exposure and clinical manifestation, and radiologists must be able to distinguish between common, asymptomatic conditions and serious cases, according to U.K. research.
October 21, 2012
2012 10 22 09 04 23 179 Digital Xray 70
Noncontrast CT may underestimate lung nodule volume
By Eric Barnes
Low-dose unenhanced CT scans may underestimate the volume of smaller lung nodules compared with standard-dose contrast CT studies, creating potential problems when tracking nodules over time, wrote researchers in the October issue of the American Journal of Roentgenology.
October 14, 2012
Study: CAD can add value to lung cancer screening
By Erik L. Ridley
Computer-aided detection (CAD) software can add additional benefits -- without too many false positives -- over double reading of low-dose chest CT examinations in a lung cancer screening environment, researchers from the Netherlands have found in research published in the October issue of European Radiology.
October 7, 2012
CT proves invaluable in chest trauma cases
By Philip Ward
The increasing use of CT in emergency medicine means that radiologists have become significant members of the clinical team making key decisions about the therapeutic process, according to a Czech expert on trauma imaging.
September 18, 2012
2012 09 18 12 21 52 37 2012 09 19 Chest Trauma Thumb
Survey highlights different practices in CT dose reduction
By Frances Rylands-Monk
Every radiologist remains keen to reduce radiation dose, but not all of them are tailoring kVp values to suit individual patients, a questionnaire distributed among members of the European Society of Thoracic Imaging has revealed.
September 17, 2012
2012 09 17 12 10 55 667 2012 09 18 Esti Thumb
Hands-on approach optimizes computed radiography performance
By Philip Ward
Automatic exposure control systems must be reconfigured when computed radiography is introduced, and regular quality assurance checks coupled with three yearly patient dose surveys allow optimum performance to be maintained, Scottish researchers have found.
September 16, 2012
2012 09 14 15 20 43 615 2012 09 17 Cr Chest Thumb
Tread cautiously when it comes to lung CT screening
By Philip Ward
An eminent group of researchers has stressed the need to avoid getting too carried away with the potential benefits of lung cancer screening with CT. They have struck a decidedly cautious note in a commentary published online on 8 August by the European Journal of Epidemiology.
August 22, 2012
2012 08 22 14 52 36 435 2012 08 23 Ct Lung Screening2 Thumb
New risk model predicts need for CT lung screening
By Eric Barnes
A new risk model for lung cancer goes where Framingham dared to tread for heart disease: providing sophisticated assessments of which individuals would most likely benefit from CT lung screening, according to a report in the 21 August issue of Annals of Internal Medicine.
August 20, 2012
2012 08 20 15 44 40 922 Chest Xray Fire 70
PET/MR equals PET/CT for lung cancer, with far less radiation
By Wayne Forrest
A pilot study conducted by German researchers and published in the August issue of Radiology suggests that PET/MRI provides diagnostic-quality images for assessing pulmonary masses in lung cancer cases, while cutting radiation dose by 75%.
July 30, 2012
2012 07 26 15 32 07 328 Rad Pet Mri Images Schwenzer Thumb
Short-term feedback fails to increase chest CAD effectiveness
By Erik L. Ridley
Providing readers with individual feedback on their performance after using chest radiography computer-aided detection (CAD) software does not yield an improved ability to differentiate CAD candidates for pulmonary nodules, Dutch researchers have found.
July 24, 2012
2012 04 24 12 05 44 123 Dutch Flag 70
Radiology's graveyard: Extinct exams you may not know about
By Dr. Adrian Thomas
Modern imaging has replaced many of the older radiological techniques. These older examinations often involved considerable technical skills from both radiologists and radiographers, and they spent many years perfecting their skills.
July 22, 2012
2012 07 19 12 15 35 847 2012 07 23 Old Exams Thumb
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