Potential value of novel multiparametric MRI radiomics for preoperative prediction of microsatellite instability and Ki-67 expression in endometrial cancer

Abstract Exploring the potential of advanced artificial intelligence technology in predicting microsatellite instability (MSI) and Ki-67 expression of endometrial cancer (EC) is highly significant. This study aimed to develop a novel hybrid radiomics approach integrating multiparametric magnetic res...

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Main Authors: Zhichao Wang, Yan Hu, Jun Cai, Jinyuan Xie, Chao Li, Xiandong Wu, Jingjing Li, Haifeng Luo, Chuchu He
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-87966-w
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author Zhichao Wang
Yan Hu
Jun Cai
Jinyuan Xie
Chao Li
Xiandong Wu
Jingjing Li
Haifeng Luo
Chuchu He
author_facet Zhichao Wang
Yan Hu
Jun Cai
Jinyuan Xie
Chao Li
Xiandong Wu
Jingjing Li
Haifeng Luo
Chuchu He
author_sort Zhichao Wang
collection DOAJ
description Abstract Exploring the potential of advanced artificial intelligence technology in predicting microsatellite instability (MSI) and Ki-67 expression of endometrial cancer (EC) is highly significant. This study aimed to develop a novel hybrid radiomics approach integrating multiparametric magnetic resonance imaging (MRI), deep learning, and multichannel image analysis for predicting MSI and Ki-67 status. A retrospective study included 156 EC patients who were subsequently categorized into MSI and Ki-67 groups. The hybrid radiomics model (HMRadSum) was developed by extracting quantitative imaging features and deep learning features from multiparametric MRI using emerging attention mechanism. Tumor markers were subsequently predicted utilizing an XGBoost classifier. Model performance and interpretability were evaluated using standard classification metrics, Gradient-weighted Class Activation Mapping (Grad-CAM), and SHapley Additive exPlanations (SHAP) techniques. For the MSI prediction task, the HMRadSum model achieved area-under-curve (AUC) value of 0.945 (95% CI 0.862-1.000) and accuracy of 0.889. For the Ki-67 prediction task, the AUC and accuracy of HMRadSum model was 0.888 (95% CI 0.743-1.000) and 0.810. This hybrid radiomics model effectively extracted features associated with EC gene expression, providing potential clinical implications for personalized diagnosis, treatment, and treatment strategy optimization.
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issn 2045-2322
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spelling doaj-art-46dd583e2fb749418f000b0dd793b0522025-01-26T12:33:36ZengNature PortfolioScientific Reports2045-23222025-01-0115111210.1038/s41598-025-87966-wPotential value of novel multiparametric MRI radiomics for preoperative prediction of microsatellite instability and Ki-67 expression in endometrial cancerZhichao Wang0Yan Hu1Jun Cai2Jinyuan Xie3Chao Li4Xiandong Wu5Jingjing Li6Haifeng Luo7Chuchu He8Department of Oncology, The First Affiliated Hospital of Yangtze UniversityDepartment of Oncology, The First Affiliated Hospital of Yangtze UniversityDepartment of Oncology, The First Affiliated Hospital of Yangtze UniversityDepartment of Joint Surgery and Sports Medicine, Jingmen Central HospitalDepartment of Oncology, The First Affiliated Hospital of Yangtze UniversityDepartment of Oncology, The First Affiliated Hospital of Yangtze UniversityDepartment of Oncology, The First Affiliated Hospital of Yangtze UniversityDepartment of Oncology, The First Affiliated Hospital of Yangtze UniversityDepartment of Oncology, The First Affiliated Hospital of Yangtze UniversityAbstract Exploring the potential of advanced artificial intelligence technology in predicting microsatellite instability (MSI) and Ki-67 expression of endometrial cancer (EC) is highly significant. This study aimed to develop a novel hybrid radiomics approach integrating multiparametric magnetic resonance imaging (MRI), deep learning, and multichannel image analysis for predicting MSI and Ki-67 status. A retrospective study included 156 EC patients who were subsequently categorized into MSI and Ki-67 groups. The hybrid radiomics model (HMRadSum) was developed by extracting quantitative imaging features and deep learning features from multiparametric MRI using emerging attention mechanism. Tumor markers were subsequently predicted utilizing an XGBoost classifier. Model performance and interpretability were evaluated using standard classification metrics, Gradient-weighted Class Activation Mapping (Grad-CAM), and SHapley Additive exPlanations (SHAP) techniques. For the MSI prediction task, the HMRadSum model achieved area-under-curve (AUC) value of 0.945 (95% CI 0.862-1.000) and accuracy of 0.889. For the Ki-67 prediction task, the AUC and accuracy of HMRadSum model was 0.888 (95% CI 0.743-1.000) and 0.810. This hybrid radiomics model effectively extracted features associated with EC gene expression, providing potential clinical implications for personalized diagnosis, treatment, and treatment strategy optimization.https://doi.org/10.1038/s41598-025-87966-wRadiomicsAttention mechanismSHAP analysisEndometrial cancerMachine learning
spellingShingle Zhichao Wang
Yan Hu
Jun Cai
Jinyuan Xie
Chao Li
Xiandong Wu
Jingjing Li
Haifeng Luo
Chuchu He
Potential value of novel multiparametric MRI radiomics for preoperative prediction of microsatellite instability and Ki-67 expression in endometrial cancer
Scientific Reports
Radiomics
Attention mechanism
SHAP analysis
Endometrial cancer
Machine learning
title Potential value of novel multiparametric MRI radiomics for preoperative prediction of microsatellite instability and Ki-67 expression in endometrial cancer
title_full Potential value of novel multiparametric MRI radiomics for preoperative prediction of microsatellite instability and Ki-67 expression in endometrial cancer
title_fullStr Potential value of novel multiparametric MRI radiomics for preoperative prediction of microsatellite instability and Ki-67 expression in endometrial cancer
title_full_unstemmed Potential value of novel multiparametric MRI radiomics for preoperative prediction of microsatellite instability and Ki-67 expression in endometrial cancer
title_short Potential value of novel multiparametric MRI radiomics for preoperative prediction of microsatellite instability and Ki-67 expression in endometrial cancer
title_sort potential value of novel multiparametric mri radiomics for preoperative prediction of microsatellite instability and ki 67 expression in endometrial cancer
topic Radiomics
Attention mechanism
SHAP analysis
Endometrial cancer
Machine learning
url https://doi.org/10.1038/s41598-025-87966-w
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