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Radiomics in Oncological PET/CT: Clinical Applications

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Abstract

18F–fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) is widely used for staging, evaluating treatment response, and predicting prognosis in malignant diseases. FDG uptake and volumetric PET parameters such as metabolic tumor volume have been used and are still used as conventional PET parameters to assess biological characteristics of tumors. However, in recent years, additional features derived from PET images by computational processing have been found to reflect intratumoral heterogeneity, which is related to biological tumor features, and to provide additional predictive and prognostic information, which leads to the concept of radiomics. In this review, we focus on recent clinical studies of malignant diseases that investigated intratumoral heterogeneity on PET/CT, and we discuss its clinical role in various cancers.

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  1. Department of Nuclear Medicine, International St. Mary’s Hospital, Catholic Kwandong University College of Medicine, 25, Simgok-ro 100 Gil 25, Seo-gu, Incheon, 22711, South Korea

    Jeong Won Lee

  2. Institute for Integrative Medicine, International St. Mary’s Hospital, Catholic Kwandong University College of Medicine, Incheon, South Korea

    Jeong Won Lee

  3. Department of Nuclear Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, South Korea

    Sang Mi Lee

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Lee, J.W., Lee, S.M. Radiomics in Oncological PET/CT: Clinical Applications. Nucl Med Mol Imaging 52, 170–189 (2018). https://doi.org/10.1007/s13139-017-0500-y

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