Journal
CANCERS
Volume 13, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/cancers13205140
Keywords
radiomics; cervical cancer; magnetic resonance imaging; tumor budding
Categories
Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2019R1G1A1089358, 2020R1G1A1102848]
- National Research Foundation of Korea [2019R1G1A1089358, 2020R1G1A1102848] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study demonstrated that radiomic features could predict tumor budding status in cervical cancer patients successfully, with support vector machine and neural network models performing the best.
Background: Our previous study demonstrated that tumor budding (TB) status was associated with inferior overall survival in cervical cancer. The purpose of this study is to evaluate whether radiomic features can predict TB status in cervical cancer patients. Methods: Seventy-four patients with cervical cancer who underwent preoperative MRI and radical hysterectomy from 2011 to 2015 at our institution were enrolled. The patients were randomly allocated to the training dataset (n = 48) and test dataset (n = 26). Tumors were segmented on axial gadolinium-enhanced T1- and T2-weighted images. A total of 2074 radiomic features were extracted. Four machine learning classifiers, including logistic regression (LR), random forest (RF), support vector machine (SVM), and neural network (NN), were used. The trained models were validated on the test dataset. Results: Twenty radiomic features were selected; all were features from filtered-images and 85% were texture-related features. The area under the curve values and accuracy of the models by LR, RF, SVM and NN were 0.742 and 0.769, 0.782 and 0.731, 0.849 and 0.885, and 0.891 and 0.731, respectively, in the test dataset. Conclusion: MRI-based radiomic features could predict TB status in patients with cervical cancer.
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