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- W2890603487 abstract "This study tested the hypothesis that shows advanced image analysis can differentiate fit and unfit patients for radical radiotherapy from standard radiotherapy planning imaging, when compared to formal lung function tests, FEV1 (forced expiratory volume in 1 s) and TLCO (transfer factor of carbon monoxide).An apical region of interest (ROI) of lung parenchyma was extracted from a standard radiotherapy planning CT scan. Software using a grey level co-occurrence matrix (GLCM) assigned an entropy score to each voxel, based on its similarity to the voxels around it.Density and entropy scores were compared between a cohort of 29 fit patients (defined as FEV1 and TLCO above 50 % predicted value) and 32 unfit patients (FEV1 or TLCO below 50% predicted). Mean and median density and median entropy were significantly different between fit and unfit patients (p = 0.005, 0.0008 and 0.0418 respectively; two-sided Mann-Whitney test).Density and entropy assessment can differentiate between fit and unfit patients for radical radiotherapy, using standard CT imaging.This study shows that a novel assessment can generate further data from standard CT imaging. These data could be combined with existing studies to form a multiorgan patient fitness assessment from a single CT scan." @default.
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- W2890603487 date "2019-07-01" @default.
- W2890603487 modified "2023-09-27" @default.
- W2890603487 title "Textural analysis and lung function study: Predicting lung fitness for radiotherapy from a CT scan" @default.
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- W2890603487 doi "https://doi.org/10.1259/bjro.20180001" @default.
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