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Journal of Zhejiang University SCIENCE B 2018 Vol.19 No.1 P.6-24


Towards precision medicine: from quantitative imaging to radiomics

Author(s):  U. Rajendra Acharya, Yuki Hagiwara, Vidya K. Sudarshan, Wai Yee Chan, Kwan Hoong Ng

Affiliation(s):  Department of Electronics and Computer Engineering, Ngee Ann Polytechnic, Singapore 599489, Singapore; more

Corresponding email(s):   ngkh@ummc.edu.my

Key Words:  Radiological imaging, Personalised medicine, Precision medicine, Quantitative imaging, Radiogenomics, Radiomics

U. Rajendra Acharya, Yuki Hagiwara, Vidya K. Sudarshan, Wai Yee Chan, Kwan Hoong Ng. Towards precision medicine: from quantitative imaging to radiomics[J]. Journal of Zhejiang University Science B, 2018, 19(1): 6-24.

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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.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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