The radiomic-clinical model using the SHAP method for assessing the treatment response of whole-brain radiotherapy: a multicentric study

Objective To develop and validate a pretreatment magnetic resonance imaging (MRI)–based radiomic-clinical model to assess the treatment response of whole-brain radiotherapy (WBRT) by using SHapley Additive exPlanations (SHAP), which is derived from game theory, and can explain the output of differen...

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Veröffentlicht in:European radiology 2022-12, Vol.32 (12), p.8737-8747
Hauptverfasser: Wang, Yixin, Lang, Jinwei, Zuo, Joey Zhaoyu, Dong, Yaqin, Hu, Zongtao, Xu, Xiuli, Zhang, Yongkang, Wang, Qinjie, Yang, Lizhuang, Wong, Stephen T. C., Wang, Hongzhi, Li, Hai
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container_end_page 8747
container_issue 12
container_start_page 8737
container_title European radiology
container_volume 32
creator Wang, Yixin
Lang, Jinwei
Zuo, Joey Zhaoyu
Dong, Yaqin
Hu, Zongtao
Xu, Xiuli
Zhang, Yongkang
Wang, Qinjie
Yang, Lizhuang
Wong, Stephen T. C.
Wang, Hongzhi
Li, Hai
description Objective To develop and validate a pretreatment magnetic resonance imaging (MRI)–based radiomic-clinical model to assess the treatment response of whole-brain radiotherapy (WBRT) by using SHapley Additive exPlanations (SHAP), which is derived from game theory, and can explain the output of different machine learning models. Methods We retrospectively enrolled 228 patients with brain metastases from two medical centers (184 in the training cohort and 44 in the validation cohort). Treatment responses of patients were categorized as a non-responding group vs. a responding group according to the Response Assessment in Neuro-Oncology Brain Metastases (RANO-BM) criteria. For each tumor, 960 features were extracted from the MRI sequence. The least absolute shrinkage and selection operator (LASSO) was used for feature selection. A support vector machine (SVM) model incorporating clinical factors and radiomic features wase used to construct the radiomic-clinical model. SHAP method explained the SVM model by prioritizing the importance of features, in terms of assessment contribution. Results Three radiomic features and three clinical factors were identified to build the model. Radiomic-clinical model yielded AUCs of 0.928 (95%CI 0.901–0.949) and 0.851 (95%CI 0.816–0.886) for assessing the treatment response in the training cohort and validation cohort, respectively. SHAP summary plot illustrated the feature’s value affected the feature’s impact attributed to model, and SHAP force plot showed the integration of features’ impact attributed to individual response. Conclusion The radiomic-clinical model with the SHAP method can be useful for assessing the treatment response of WBRT and may assist clinicians in directing personalized WBRT strategies in an understandable manner. Key Points • Radiomic-clinical model can be useful for assessing the treatment response of WBRT. • SHAP could explain and visualize radiomic-clinical machine learning model in a clinician-friendly way.
doi_str_mv 10.1007/s00330-022-08887-0
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C. ; Wang, Hongzhi ; Li, Hai</creator><creatorcontrib>Wang, Yixin ; Lang, Jinwei ; Zuo, Joey Zhaoyu ; Dong, Yaqin ; Hu, Zongtao ; Xu, Xiuli ; Zhang, Yongkang ; Wang, Qinjie ; Yang, Lizhuang ; Wong, Stephen T. C. ; Wang, Hongzhi ; Li, Hai</creatorcontrib><description>Objective To develop and validate a pretreatment magnetic resonance imaging (MRI)–based radiomic-clinical model to assess the treatment response of whole-brain radiotherapy (WBRT) by using SHapley Additive exPlanations (SHAP), which is derived from game theory, and can explain the output of different machine learning models. Methods We retrospectively enrolled 228 patients with brain metastases from two medical centers (184 in the training cohort and 44 in the validation cohort). Treatment responses of patients were categorized as a non-responding group vs. a responding group according to the Response Assessment in Neuro-Oncology Brain Metastases (RANO-BM) criteria. For each tumor, 960 features were extracted from the MRI sequence. The least absolute shrinkage and selection operator (LASSO) was used for feature selection. A support vector machine (SVM) model incorporating clinical factors and radiomic features wase used to construct the radiomic-clinical model. SHAP method explained the SVM model by prioritizing the importance of features, in terms of assessment contribution. Results Three radiomic features and three clinical factors were identified to build the model. Radiomic-clinical model yielded AUCs of 0.928 (95%CI 0.901–0.949) and 0.851 (95%CI 0.816–0.886) for assessing the treatment response in the training cohort and validation cohort, respectively. SHAP summary plot illustrated the feature’s value affected the feature’s impact attributed to model, and SHAP force plot showed the integration of features’ impact attributed to individual response. Conclusion The radiomic-clinical model with the SHAP method can be useful for assessing the treatment response of WBRT and may assist clinicians in directing personalized WBRT strategies in an understandable manner. Key Points • Radiomic-clinical model can be useful for assessing the treatment response of WBRT. • SHAP could explain and visualize radiomic-clinical machine learning model in a clinician-friendly way.</description><identifier>ISSN: 1432-1084</identifier><identifier>ISSN: 0938-7994</identifier><identifier>EISSN: 1432-1084</identifier><identifier>DOI: 10.1007/s00330-022-08887-0</identifier><identifier>PMID: 35678859</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Brain ; Brain - diagnostic imaging ; Brain cancer ; Brain Neoplasms - diagnostic imaging ; Brain Neoplasms - radiotherapy ; Diagnostic Radiology ; Feature extraction ; Game theory ; Health care facilities ; Health services ; Humans ; Imaging ; Imaging Informatics and Artificial Intelligence ; Internal Medicine ; Interventional Radiology ; Learning algorithms ; Machine Learning ; Magnetic resonance imaging ; Magnetic Resonance Imaging - methods ; Medicine ; Medicine &amp; Public Health ; Metastases ; Metastasis ; Neuroimaging ; Neuroradiology ; Oncology ; Patients ; Radiation therapy ; Radiology ; Radiomics ; Retrospective Studies ; Support vector machines ; Training ; Tumors ; Ultrasound</subject><ispartof>European radiology, 2022-12, Vol.32 (12), p.8737-8747</ispartof><rights>The Author(s), under exclusive licence to European Society of Radiology 2022</rights><rights>2022. The Author(s), under exclusive licence to European Society of Radiology.</rights><rights>The Author(s), under exclusive licence to European Society of Radiology 2022.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-92793947dae5834c135cdc33629d6df9e0c50c2be03531d05967a0ee77f8ca9e3</citedby><cites>FETCH-LOGICAL-c375t-92793947dae5834c135cdc33629d6df9e0c50c2be03531d05967a0ee77f8ca9e3</cites><orcidid>0000-0001-8504-5811</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00330-022-08887-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00330-022-08887-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35678859$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Yixin</creatorcontrib><creatorcontrib>Lang, Jinwei</creatorcontrib><creatorcontrib>Zuo, Joey Zhaoyu</creatorcontrib><creatorcontrib>Dong, Yaqin</creatorcontrib><creatorcontrib>Hu, Zongtao</creatorcontrib><creatorcontrib>Xu, Xiuli</creatorcontrib><creatorcontrib>Zhang, Yongkang</creatorcontrib><creatorcontrib>Wang, Qinjie</creatorcontrib><creatorcontrib>Yang, Lizhuang</creatorcontrib><creatorcontrib>Wong, Stephen T. C.</creatorcontrib><creatorcontrib>Wang, Hongzhi</creatorcontrib><creatorcontrib>Li, Hai</creatorcontrib><title>The radiomic-clinical model using the SHAP method for assessing the treatment response of whole-brain radiotherapy: a multicentric study</title><title>European radiology</title><addtitle>Eur Radiol</addtitle><addtitle>Eur Radiol</addtitle><description>Objective To develop and validate a pretreatment magnetic resonance imaging (MRI)–based radiomic-clinical model to assess the treatment response of whole-brain radiotherapy (WBRT) by using SHapley Additive exPlanations (SHAP), which is derived from game theory, and can explain the output of different machine learning models. Methods We retrospectively enrolled 228 patients with brain metastases from two medical centers (184 in the training cohort and 44 in the validation cohort). Treatment responses of patients were categorized as a non-responding group vs. a responding group according to the Response Assessment in Neuro-Oncology Brain Metastases (RANO-BM) criteria. For each tumor, 960 features were extracted from the MRI sequence. The least absolute shrinkage and selection operator (LASSO) was used for feature selection. A support vector machine (SVM) model incorporating clinical factors and radiomic features wase used to construct the radiomic-clinical model. SHAP method explained the SVM model by prioritizing the importance of features, in terms of assessment contribution. Results Three radiomic features and three clinical factors were identified to build the model. Radiomic-clinical model yielded AUCs of 0.928 (95%CI 0.901–0.949) and 0.851 (95%CI 0.816–0.886) for assessing the treatment response in the training cohort and validation cohort, respectively. SHAP summary plot illustrated the feature’s value affected the feature’s impact attributed to model, and SHAP force plot showed the integration of features’ impact attributed to individual response. Conclusion The radiomic-clinical model with the SHAP method can be useful for assessing the treatment response of WBRT and may assist clinicians in directing personalized WBRT strategies in an understandable manner. 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C. ; Wang, Hongzhi ; Li, Hai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-92793947dae5834c135cdc33629d6df9e0c50c2be03531d05967a0ee77f8ca9e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Brain</topic><topic>Brain - diagnostic imaging</topic><topic>Brain cancer</topic><topic>Brain Neoplasms - diagnostic imaging</topic><topic>Brain Neoplasms - radiotherapy</topic><topic>Diagnostic Radiology</topic><topic>Feature extraction</topic><topic>Game theory</topic><topic>Health care facilities</topic><topic>Health services</topic><topic>Humans</topic><topic>Imaging</topic><topic>Imaging Informatics and Artificial Intelligence</topic><topic>Internal Medicine</topic><topic>Interventional Radiology</topic><topic>Learning algorithms</topic><topic>Machine Learning</topic><topic>Magnetic resonance imaging</topic><topic>Magnetic Resonance Imaging - methods</topic><topic>Medicine</topic><topic>Medicine &amp; Public Health</topic><topic>Metastases</topic><topic>Metastasis</topic><topic>Neuroimaging</topic><topic>Neuroradiology</topic><topic>Oncology</topic><topic>Patients</topic><topic>Radiation therapy</topic><topic>Radiology</topic><topic>Radiomics</topic><topic>Retrospective Studies</topic><topic>Support vector machines</topic><topic>Training</topic><topic>Tumors</topic><topic>Ultrasound</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Yixin</creatorcontrib><creatorcontrib>Lang, Jinwei</creatorcontrib><creatorcontrib>Zuo, Joey Zhaoyu</creatorcontrib><creatorcontrib>Dong, Yaqin</creatorcontrib><creatorcontrib>Hu, Zongtao</creatorcontrib><creatorcontrib>Xu, Xiuli</creatorcontrib><creatorcontrib>Zhang, Yongkang</creatorcontrib><creatorcontrib>Wang, Qinjie</creatorcontrib><creatorcontrib>Yang, Lizhuang</creatorcontrib><creatorcontrib>Wong, Stephen T. 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C.</au><au>Wang, Hongzhi</au><au>Li, Hai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The radiomic-clinical model using the SHAP method for assessing the treatment response of whole-brain radiotherapy: a multicentric study</atitle><jtitle>European radiology</jtitle><stitle>Eur Radiol</stitle><addtitle>Eur Radiol</addtitle><date>2022-12-01</date><risdate>2022</risdate><volume>32</volume><issue>12</issue><spage>8737</spage><epage>8747</epage><pages>8737-8747</pages><issn>1432-1084</issn><issn>0938-7994</issn><eissn>1432-1084</eissn><abstract>Objective To develop and validate a pretreatment magnetic resonance imaging (MRI)–based radiomic-clinical model to assess the treatment response of whole-brain radiotherapy (WBRT) by using SHapley Additive exPlanations (SHAP), which is derived from game theory, and can explain the output of different machine learning models. Methods We retrospectively enrolled 228 patients with brain metastases from two medical centers (184 in the training cohort and 44 in the validation cohort). Treatment responses of patients were categorized as a non-responding group vs. a responding group according to the Response Assessment in Neuro-Oncology Brain Metastases (RANO-BM) criteria. For each tumor, 960 features were extracted from the MRI sequence. The least absolute shrinkage and selection operator (LASSO) was used for feature selection. A support vector machine (SVM) model incorporating clinical factors and radiomic features wase used to construct the radiomic-clinical model. SHAP method explained the SVM model by prioritizing the importance of features, in terms of assessment contribution. Results Three radiomic features and three clinical factors were identified to build the model. Radiomic-clinical model yielded AUCs of 0.928 (95%CI 0.901–0.949) and 0.851 (95%CI 0.816–0.886) for assessing the treatment response in the training cohort and validation cohort, respectively. SHAP summary plot illustrated the feature’s value affected the feature’s impact attributed to model, and SHAP force plot showed the integration of features’ impact attributed to individual response. Conclusion The radiomic-clinical model with the SHAP method can be useful for assessing the treatment response of WBRT and may assist clinicians in directing personalized WBRT strategies in an understandable manner. Key Points • Radiomic-clinical model can be useful for assessing the treatment response of WBRT. • SHAP could explain and visualize radiomic-clinical machine learning model in a clinician-friendly way.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>35678859</pmid><doi>10.1007/s00330-022-08887-0</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0001-8504-5811</orcidid></addata></record>
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subjects Brain
Brain - diagnostic imaging
Brain cancer
Brain Neoplasms - diagnostic imaging
Brain Neoplasms - radiotherapy
Diagnostic Radiology
Feature extraction
Game theory
Health care facilities
Health services
Humans
Imaging
Imaging Informatics and Artificial Intelligence
Internal Medicine
Interventional Radiology
Learning algorithms
Machine Learning
Magnetic resonance imaging
Magnetic Resonance Imaging - methods
Medicine
Medicine & Public Health
Metastases
Metastasis
Neuroimaging
Neuroradiology
Oncology
Patients
Radiation therapy
Radiology
Radiomics
Retrospective Studies
Support vector machines
Training
Tumors
Ultrasound
title The radiomic-clinical model using the SHAP method for assessing the treatment response of whole-brain radiotherapy: a multicentric study
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