Strategies for Lowering Screening Radiation Doses

by User Not Found | May 01, 2014
Optimizing CT imaging protocols and applying radiation dose reduction techniques is essential to ensure the best imaging results with the lowest radiation dose, according to an article published in the American Journal of Neuroradiology.
Optimizing CT imaging protocols and applying radiation dose reduction techniques is essential to ensure the best imaging results with the lowest radiation dose, according to an article published in the American Journal of Neuroradiology. There are several factors that affect radiation dose during imaging tests, including Collimation, table speed and pitch, which are interlinked parameters that affect the diagnostic quality and radiation dose of an imaging study. In order to reduce radiation dosages, strategies have been implemented, including automated tube current modulation, which is the most widely available technical innovation for significant radiation dose reduction. CT imaging can be done with lower radiation doses, regardless of patient size or which body part is being scanned. Although procedures have been developed, more needs to be done to further reduce radiation doses during diagnostic imaging. New approaches include: Automated organ-based current modulation, which is a technique that reduces the tube current for certain projections to avoid direct exposure of the thyroid gland and ocular lens, and other radiosensitive organs. “There are significant variations between sites and scanners in imaging protocols with a wide range of radiation doses for the same scan indication,” the authors wrote.
 
 
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