Department of Engineering Science, University of Oxford, Oxford OX3 7DQ, United Kingdom.
Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, United Kingdom.
World J Gastroenterol. 2021 Oct 28;27(40):6825-6843. doi: 10.3748/wjg.v27.i40.6825.
Chronic liver diseases (CLDs) are becoming increasingly more prevalent in modern society. The use of imaging techniques for early detection, such as magnetic resonance imaging (MRI), is crucial in reducing the impact of these diseases on healthcare systems. Artificial intelligence (AI) algorithms have been shown over the past decade to excel at image-based analysis tasks such as detection and segmentation. When applied to liver MRI, they have the potential to improve clinical decision making, and increase throughput by automating analyses. With Liver diseases becoming more prevalent in society, the need to implement these techniques to utilize liver MRI to its full potential, is paramount. In this review, we report on the current methods and applications of AI methods in liver MRI, with a focus on machine learning and deep learning methods. We assess four main themes of segmentation, classification, image synthesis and artefact detection, and their respective potential in liver MRI and the wider clinic. We provide a brief explanation of some of the algorithms used and explore the current challenges affecting the field. Though there are many hurdles to overcome in implementing AI methods in the clinic, we conclude that AI methods have the potential to positively aid healthcare professionals for years to come.
慢性肝病(CLD)在现代社会中越来越普遍。使用成像技术(如磁共振成像(MRI))进行早期检测对于减轻这些疾病对医疗保健系统的影响至关重要。过去十年的研究表明,人工智能(AI)算法擅长进行基于图像的分析任务,例如检测和分割。当应用于肝脏 MRI 时,它们有可能通过自动化分析来改善临床决策并提高吞吐量。随着社会中肝脏疾病的日益普遍,迫切需要实施这些技术,以充分利用肝脏 MRI 的潜力。在本综述中,我们报告了 AI 方法在肝脏 MRI 中的当前方法和应用,重点介绍了机器学习和深度学习方法。我们评估了四个主要主题,包括分割、分类、图像合成和伪影检测,以及它们在肝脏 MRI 和更广泛的临床中的各自潜力。我们简要解释了一些使用的算法,并探讨了影响该领域的当前挑战。尽管在临床中实施 AI 方法存在许多障碍,但我们得出结论,AI 方法有可能在未来几年为医疗保健专业人员提供积极帮助。
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