نتایج جستجو برای: radiomic prediction mri

تعداد نتایج: 357714  

Journal: :International Journal of Radiation Oncology*Biology*Physics 2019

2015
Jeff Wang Fumi Kato Noriko Oyama-Manabe Ruijiang Li Yi Cui Khin Khin Tha Hiroko Yamashita Kohsuke Kudo Hiroki Shirato Xiaobing Fan

OBJECTIVES To determine the added discriminative value of detailed quantitative characterization of background parenchymal enhancement in addition to the tumor itself on dynamic contrast-enhanced (DCE) MRI at 3.0 Tesla in identifying "triple-negative" breast cancers. MATERIALS AND METHODS In this Institutional Review Board-approved retrospective study, DCE-MRI of 84 women presenting 88 invasi...

Journal: :Frontiers in oncology 2015
Chintan Parmar Patrick Grossmann Derek Rietveld Michelle M. Rietbergen Philippe Lambin Hugo J. W. L. Aerts

INTRODUCTION "Radiomics" extracts and mines a large number of medical imaging features in a non-invasive and cost-effective way. The underlying assumption of radiomics is that these imaging features quantify phenotypic characteristics of an entire tumor. In order to enhance applicability of radiomics in clinical oncology, highly accurate and reliable machine-learning approaches are required. In...

2017
Che-Yu Hsu Chun-Wei Wang Chia-Chun Kuo Yu-Hsuan Chen Keng-Hsueh Lan Ann-Lii Cheng Sung-Hsin Kuo

In addition to clinical factors (tumor and node stage) and treatment factors (equivalent radiotherapy dose and chemotherapy regimen), we assessed whether different performances of various tumor volume measurements help predict the pathological complete response (pCR) of locally advanced rectal cancer (LARC) after preoperative concurrent chemoradiotherapy (CCRT). A total of 122 patients with LAR...

2017
David Molina Julián Pérez-Beteta Alicia Martínez-González Juan Martino Carlos Velasquez Estanislao Arana Víctor M Pérez-García

PURPOSE Textural measures have been widely explored as imaging biomarkers in cancer. However, their robustness under dynamic range and spatial resolution changes in brain 3D magnetic resonance images (MRI) has not been assessed. The aim of this work was to study potential variations of textural measures due to changes in MRI protocols. MATERIALS AND METHODS Twenty patients harboring glioblast...

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