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Preoperative prediction of cervical cancer survival using a high-resolution MRI-based radiomics nomogram

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机构: [1]Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou, China. [2]Department of Cardiology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China. [3]School of Nursing, Southwest Medical University, Luzhou, China. [4]Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China. [5]Department of Gynecology Oncology, National Cancer Institute, Rio de Janeiro, Brazil. [6]Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou, China. [7]Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou, China.
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关键词: Cervical cancer Prediction Nomogram Magnetic resonance imaging (MRI)

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Cervical cancer patients receiving radiotherapy and chemotherapy require accurate survival prediction methods. The objective of this study was to develop a prognostic analysis model based on a radiomics score to predict overall survival (OS) in cervical cancer patients.Predictive models were developed using data from 62 cervical cancer patients who underwent radical hysterectomy between June 2020 and June 2021. Radiological features were extracted from T2-weighted (T2W), T1-weighted (T1W), and diffusion-weighted (DW) magnetic resonance images prior to treatment. We obtained the radiomics score (rad-score) using least absolute shrinkage and selection operator (LASSO) regression and Cox's proportional hazard model. We divided the patients into low- and high-risk groups according to the critical rad-score value, and generated a nomogram incorporating radiological features. We evaluated the model's prediction performance using area under the receiver operating characteristic (ROC) curve (AUC) and classified the participants into high- and low-risk groups based on radiological characteristics.The 62 patients were divided into high-risk (n = 43) and low-risk (n = 19) groups based on the rad-score. Four feature parameters were selected via dimensionality reduction, and the scores were calculated after modeling. The AUC values of ROC curves for prediction of 3- and 5-year OS using the model were 0.84 and 0.93, respectively.Our nomogram incorporating a combination of radiological features demonstrated good performance in predicting cervical cancer OS. This study highlights the potential of radiomics analysis in improving survival prediction for cervical cancer patients. However, further studies on a larger scale and external validation cohorts are necessary to validate its potential clinical utility.© 2023. BioMed Central Ltd., part of Springer Nature.

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出版当年[2023]版:
大类 | 3 区 医学
小类 | 3 区 核医学
最新[2023]版:
大类 | 3 区 医学
小类 | 3 区 核医学
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第一作者机构: [1]Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou, China.
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