Machine learning‑based multiparametric traditional multislice computed tomography radiomics for improving the discrimination of parotid neoplasms

Xu,Zhifeng; Jin,Yabin; Wu,Wenxiu; Wu,Jinmian; Luo,Bing; Zeng,Chenglong; Guo,Xiuqin; Gao,Mingcong; Guo,Shiqin; Pan,Aizhen

doi:10.3892/mco.2021.2407

November-2021 Volume 15 Issue 5

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November-2021 Volume 15 Issue 5

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Article

Machine learning‑based multiparametric traditional multislice computed tomography radiomics for improving the discrimination of parotid neoplasms

Authors:
- Zhifeng Xu
- Yabin Jin
- Wenxiu Wu
- Jinmian Wu
- Bing Luo
- Chenglong Zeng
- Xiuqin Guo
- Mingcong Gao
- Shiqin Guo
- Aizhen Pan
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Affiliations: Department of Radiology, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China, Clinical Research Institute, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China, Department of Radiology, The Sanshui People's Hospital, Foshan, Guangdong 528100, P.R. China, Department of Radiology, The Foshan Chancheng District Central Hospital, Foshan, Guangdong 528000, P.R. China, Department of Radiology, The Foshan Medicine Hospital, Guangdong 528000, P.R. China, Department of Radiology, The Second People's Hospital of Nanhai District, Foshan, Guangdong 528000, P.R. China
Article Number: 245
|
Published online on: September 24, 2021

https://doi.org/10.3892/mco.2021.2407
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Abstract

Characterization of parotid tumors is important for treatment planning and prognosis, and parotid tumor discrimination has recently been developed at the molecular level. The aim of the present study was to establish a machine learning (ML) predictive model based on multiparametric traditional multislice CT (MSCT) radiomic and clinical data analysis to improve the accuracy of differentiation among pleomorphic adenoma (PA), Warthin tumor (WT) and parotid carcinoma (PCa). A total of 345 patients (200 with WT, 91 with PA and 54 with PCa) with pathologically confirmed parotid tumors were retrospectively enrolled from five independent institutions between January 2010 and May 2019. A total of 273 patients recruited from institutions 1, 2 and 3 were randomly assigned to the training model; the independent validation set consisted of 72 patients treated at institutions 1, 4 and 5. Data were investigated using a linear discriminant analysis‑based ML classifier. Feature selection and dimension reduction were conducted using reproducibility testing and a wrapper method. The diagnostic accuracy of the predictive model was compared with histopathological findings as reference results. This classifier achieved a satisfactory performance for the discrimination of PA, WT and PCa, with a total accuracy of 82.1% in the training cohort and 80.5% in the validation cohort. In conclusion, ML‑based multiparametric traditional MSCT radiomics can improve the accuracy of differentiation among PA, WT and PCa. The findings of the present study should be validated by multicenter prospective studies using completely independent external data.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Machine learning‑based multiparametric traditional multislice computed tomography radiomics for improving the discrimination of parotid neoplasms

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