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CT-based multi-phase Radiomic models for differentiating clear cell renal cell carcinoma.

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机构: [1]Medical Imaging teaching and research office, Nanfang hospital, Southern Medical University, No.1838 Guangzhoudadao Avenue north, Guangzhou 510515, Guangdong, China. [2]Radiology department, The second affiliated hospital of Kunming medical university, No. 374 Dianmian Road, Kunming 650032, Yunnan, China. [3]College of Electronics and Information Engineering, Shenzhen University, Shenzhen 518068, China. [4]Department of MRI, The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157 Jinbi Road, Kunming 650032, Yunnan, China. [5]Department of Radiology, Shenzhen Second People’s Hospital, No.3002, West Sungang Road, Futian District, Shenzhen 518052, China.
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关键词: Clear cell renal cell carcinoma Radiomics Improved enhanced parameters LASSO regression

摘要:
The aim of the study is to compare the diagnostic value of models that based on a set of CT texture and non-texture features for differentiating clear cell renal cell carcinomas(ccRCCs) from non-clear cell renal cell carcinomas(non-ccRCCs).A total of 197 pathologically proven renal tumors were divided into ccRCC(n = 143) and non-ccRCC (n = 54) groups. The 43 non-texture features and 296 texture features that extracted from the 3D volume tumor tissue were assessed for each tumor at both Non-contrast Phase, NCP; Corticomedullary Phase, CMP; Nephrographic Phase, NP and Excretory Phase, EP. Texture-score were calculated by the Least Absolute Shrinkage and Selection Operator (LASSO) to screen the most valuable texture features. Model 1 contains the three most distinctive non-texture features with p < 0.001, Model 2 contains texture scores, and Model 3 contains the above two types of features.The three models shown good discrimination of the ccRCC from non-ccRCC in NCP, CMP, NP, and EP. The area under receiver operating characteristic curve (AUC)values of the Model 1, Model 2, and Model 3 in differentiating the two groups were 0.748-0.823, 0.776-0.887 and 0.864-0.900, respectively. The difference in AUC between every two of the three Models was statistically significant (p < 0.001).The predictive efficacy of ccRCC was significantly improved by combining non-texture features and texture features to construct a combined diagnostic model, which could provide a reliable basis for clinical treatment options.

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出版当年[2021]版:
大类 | 3 区 医学
小类 | 3 区 核医学 4 区 肿瘤学
最新[2023]版:
大类 | 2 区 医学
小类 | 2 区 肿瘤学 2 区 核医学
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出版当年[2020]版:
Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Q3 ONCOLOGY
最新[2023]版:
Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Q2 ONCOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2020版] 出版当年五年平均 出版前一年[2019版] 出版后一年[2021版]

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第一作者机构: [1]Medical Imaging teaching and research office, Nanfang hospital, Southern Medical University, No.1838 Guangzhoudadao Avenue north, Guangzhou 510515, Guangdong, China. [2]Radiology department, The second affiliated hospital of Kunming medical university, No. 374 Dianmian Road, Kunming 650032, Yunnan, China.
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