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Towards precision medicine: from quantitative imaging to radiomics

Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2018年第1期19卷 6-24页

作者： U.Rajendra ACHARYA Yuki HAGIWARA vidya k.sudarshan Wai Yee CHAN kwan Hoong NG Department of Electronics and Computer Engineering Ngee Ann Polytechnic Department of Biomedical Engineering School of Science and Technology Singapore University of Social Sciences Department of Biomedical Engineering Faculty of Engineering University of Malaya Department of Biomedical Imaging Faculty of Medicine University of Malaya

Radiology（imaging） and imaging-guided interventions, which provide multi-parametric morphologic and functional information, are playing an increasingly significant role in precision medicine. Radiologists are trained to understand the imaging phenotypes, transcribe those observations（phenotypes） to correlate with underlying diseases and to characterize the images. However, in order to understand and characterize the molecular phenotype（to obtain genomic information） of solid heterogeneous tumours, the advanced sequencing of those tissues using biopsy is required. Thus, radiologists image the tissues from various views and angles in order to have the complete image phenotypes, thereby acquiring a huge amount of data. Deriving meaningful details from all these radiological data becomes challenging and raises the big data issues. Therefore, interest in the application of radiomics has been growing in recent years as it has the potential to provide significant interpretive and predictive information for decision support. Radiomics is a combination of conventional computer-aided diagnosis, deep learning methods, and human skills, and thus can be used for quantitative characterization of tumour phenotypes. This paper discusses the overview of radiomics workflow, the results of various radiomics-based studies conducted using various radiological images such as computed tomography（CT）, magnetic resonance imaging（MRI）, and positron-emission tomography（PET）, the challenges we are facing, and the potential contribution of radiomics towards precision medicine.

关键词： Radiological imaging Personalised medicine Precision medicine Quantitative imaging Radiogenomics Radiomics

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