The application of different machine learning models based on PET/CT images and EGFR in predicting brain metastasis of adenocarcinoma of the lung

Abstract Objective To explore the value of six machine learning models based on PET/CT radiomics combined with EGFR in predicting brain metastases of lung adenocarcinoma. Methods Retrospectively collected 204 patients with lung adenocarcinoma who underwent PET/CT examination and EGFR gene detection...

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Main Authors: Chao Kong, Xiaoyan Yin, Jingmin Zou, Changsheng Ma, Kai Liu
Format: Article
Language:English
Published: BMC 2024-04-01
Series:BMC Cancer
Subjects:
Online Access:https://doi.org/10.1186/s12885-024-12158-0
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author Chao Kong
Xiaoyan Yin
Jingmin Zou
Changsheng Ma
Kai Liu
author_facet Chao Kong
Xiaoyan Yin
Jingmin Zou
Changsheng Ma
Kai Liu
author_sort Chao Kong
collection DOAJ
description Abstract Objective To explore the value of six machine learning models based on PET/CT radiomics combined with EGFR in predicting brain metastases of lung adenocarcinoma. Methods Retrospectively collected 204 patients with lung adenocarcinoma who underwent PET/CT examination and EGFR gene detection before treatment from Cancer Hospital Affiliated to Shandong First Medical University in 2020. Using univariate analysis and multivariate logistic regression analysis to find the independent risk factors for brain metastasis. Based on PET/CT imaging combined with EGFR and PET metabolic indexes, established six machine learning models to predict brain metastases of lung adenocarcinoma. Finally, using ten-fold cross-validation to evaluate the predictive effectiveness. Results In univariate analysis, patients with N2-3, EGFR mutation-positive, LYM%≤20, and elevated tumor markers(P<0.05) were more likely to develop brain metastases. In multivariate Logistic regression analysis, PET metabolic indices revealed that SUVmax, SUVpeak, Volume, and TLG were risk factors for lung adenocarcinoma brain metastasis(P<0.05). The SVM model was the most efficient predictor of brain metastasis with an AUC of 0.82 (PET/CT group),0.70 (CT group),0.76 (PET group). Conclusions Radiomics combined with EGFR machine learning model as a new method have higher accuracy than EGFR mutation alone. SVM model is the most effective method for predicting brain metastases of lung adenocarcinoma, and the prediction efficiency of PET/CT group is better than PET group and CT group.
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spelling doaj.art-425d08635f00444f9c2698ba44258d822024-04-14T11:18:52ZengBMCBMC Cancer1471-24072024-04-0124111310.1186/s12885-024-12158-0The application of different machine learning models based on PET/CT images and EGFR in predicting brain metastasis of adenocarcinoma of the lungChao Kong0Xiaoyan Yin1Jingmin Zou2Changsheng Ma3Kai Liu4Department of Graduate, Shandong First Medical University, Shandong Academy of Medical SciencesDepartment of Graduate, Shandong First Medical University, Shandong Academy of Medical SciencesDepartment of Graduate, Shandong First Medical University, Shandong Academy of Medical SciencesDepartment of Radiation Physics, Shandong Cancer Hospital and Institute, Shandong First Medical University, Shandong Academy of Medical SciencesDepartment of Head and Neck Comprehensive Radiotherapy, Affiliated Tumor Hospital of Xinjiang Medical UniversityAbstract Objective To explore the value of six machine learning models based on PET/CT radiomics combined with EGFR in predicting brain metastases of lung adenocarcinoma. Methods Retrospectively collected 204 patients with lung adenocarcinoma who underwent PET/CT examination and EGFR gene detection before treatment from Cancer Hospital Affiliated to Shandong First Medical University in 2020. Using univariate analysis and multivariate logistic regression analysis to find the independent risk factors for brain metastasis. Based on PET/CT imaging combined with EGFR and PET metabolic indexes, established six machine learning models to predict brain metastases of lung adenocarcinoma. Finally, using ten-fold cross-validation to evaluate the predictive effectiveness. Results In univariate analysis, patients with N2-3, EGFR mutation-positive, LYM%≤20, and elevated tumor markers(P<0.05) were more likely to develop brain metastases. In multivariate Logistic regression analysis, PET metabolic indices revealed that SUVmax, SUVpeak, Volume, and TLG were risk factors for lung adenocarcinoma brain metastasis(P<0.05). The SVM model was the most efficient predictor of brain metastasis with an AUC of 0.82 (PET/CT group),0.70 (CT group),0.76 (PET group). Conclusions Radiomics combined with EGFR machine learning model as a new method have higher accuracy than EGFR mutation alone. SVM model is the most effective method for predicting brain metastases of lung adenocarcinoma, and the prediction efficiency of PET/CT group is better than PET group and CT group.https://doi.org/10.1186/s12885-024-12158-0PET/CT radiomicsMachine learning modelLung adenocarcinomaBrain metastases
spellingShingle Chao Kong
Xiaoyan Yin
Jingmin Zou
Changsheng Ma
Kai Liu
The application of different machine learning models based on PET/CT images and EGFR in predicting brain metastasis of adenocarcinoma of the lung
BMC Cancer
PET/CT radiomics
Machine learning model
Lung adenocarcinoma
Brain metastases
title The application of different machine learning models based on PET/CT images and EGFR in predicting brain metastasis of adenocarcinoma of the lung
title_full The application of different machine learning models based on PET/CT images and EGFR in predicting brain metastasis of adenocarcinoma of the lung
title_fullStr The application of different machine learning models based on PET/CT images and EGFR in predicting brain metastasis of adenocarcinoma of the lung
title_full_unstemmed The application of different machine learning models based on PET/CT images and EGFR in predicting brain metastasis of adenocarcinoma of the lung
title_short The application of different machine learning models based on PET/CT images and EGFR in predicting brain metastasis of adenocarcinoma of the lung
title_sort application of different machine learning models based on pet ct images and egfr in predicting brain metastasis of adenocarcinoma of the lung
topic PET/CT radiomics
Machine learning model
Lung adenocarcinoma
Brain metastases
url https://doi.org/10.1186/s12885-024-12158-0
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