钆
对比度(视觉)
医学
磁共振成像
图像对比度
放射科
医学物理学
计算机科学
人工智能
冶金
材料科学
作者
Carlo Augusto Mallio,Alexander Radbruch,Katerina Deike-Hofmann,Aart J. van der Molen,Ilona A. Dekkers,Greg Zaharchuk,Paul M Parizel,Bruno Beomonte Zobel,Carlo Cosimo Quattrocchi
标识
DOI:10.1097/rli.0000000000000983
摘要
Abstract Brain and cardiac MRIs are fundamental noninvasive imaging tools, which can provide important clinical information and can be performed without or with gadolinium-based contrast agents (GBCAs), depending on the clinical indication. It is currently a topic of debate whether it would be feasible to extract information such as standard gadolinium-enhanced MRI while injecting either less or no GBCAs. Artificial intelligence (AI) is a great source of innovation in medical imaging and has been explored as a method to synthesize virtual contrast MR images, potentially yielding similar diagnostic performance without the need to administer GBCAs. If possible, there would be significant benefits, including reduction of costs, acquisition time, and environmental impact with respect to conventional contrast-enhanced MRI examinations. Given its promise, we believe additional research is needed to increase the evidence to make these AI solutions feasible, reliable, and robust enough to be integrated into the clinical framework. Here, we review recent AI studies aimed at reducing or replacing gadolinium in brain and cardiac imaging while maintaining diagnostic image quality.
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