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Computer-Aided Diagnosis of Diagnostically Challenging Lesions in Breast MRI: A Comparison between a Radiomics and a Feature-Selective Approach

机译:乳腺MRI诊断中具有挑战性的病变的计算机辅助诊断:放射学与特征选择方法之间的比较

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摘要

Diagnostically challenging lesions pose a challenge both for the radiological reading and also for current CAD systems. They are not well-defined in both morphology (geometric shape) and kinetics (temporal enhancement) and pose a problem to lesion detection and classification. Their strong phenotypic differences can be visualized by MRI. Radiomics represents a novel approach to achieve a detailed quantification of the tumour phenotypes by analyzing a large number of image descriptors. In this paper, we apply a quantitative radiomics approach based on shape, texture and kinetics tumor features and evaluate it in comparison to a reduced-order feature approach in a computer-aided diagnosis system applied to diagnostically challenging lesions.
机译:诊断上具有挑战性的病变不仅对放射学阅读而且对当前的CAD系统都构成挑战。它们在形态(几何形状)和动力学(时间增强)上都没有明确定义,并且对病变的检测和分类提出了问题。它们的强烈表型差异可以通过MRI看到。放射线学代表了一种通过分析大量图像描述符来实现肿瘤表型详细定量的新颖方法。在本文中,我们应用了基于形状,质地和动力学肿瘤特征的定量放射学方法,并与计算机辅助诊断系统中用于诊断具有挑战性的病变的降阶特征方法相比,对其进行了评估。

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