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Radiomics-based machine learning in the differentiation of benign and malignant bowel wall thickening radiomics in bowel wall thickening

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Erişim

info:eu-repo/semantics/closedAccess

Tarih

2024

Yazar

Bülbül, Hande Melike
Burakgazi, Gülen
Kesimal, Uğur
Kaba, Esat

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Künye

Bülbül, H. M., Burakgazi, G., Kesimal, U., & Kaba, E. (2024). Radiomics-based machine learning in the differentiation of benign and malignant bowel wall thickening radiomics in bowel wall thickening. Japanese journal of radiology, 10.1007/s11604-024-01558-8. Advance online publication. https://doi.org/10.1007/s11604-024-01558-8

Özet

PurposeTo distinguish malignant and benign bowel wall thickening (BWT) by using computed tomography (CT) texture features based on machine learning (ML) models and to compare its success with the clinical model and combined model.MethodsOne hundred twenty-two patients with BWT identified on contrast-enhanced abdominal CT and underwent colonoscopy were included in this retrospective study. Texture features were extracted from CT images using LifeX software. Feature selection and reduction were performed using the Least Absolute Shrinkage and Selection Operator (LASSO). Six radiomic features were selected with LASSO. In the clinical model, six features (age, gender, thickness, fat stranding, symmetry, and lymph node) were included. Six radiomic and six clinical features were used in the combined model. Classification was done using two machine learning algorithms: Support Vector Machine (SVM) and Logistic Regression (LR). The data sets were divided into 80% training set and 20% test set. Then, training took place with all three datasets. The model's success was tested with the test set consisting of features not used during training.ResultsIn the training set, the combined model had the best performance with the area under the curve (AUC) value of 0.99 for SVM and 0.95 for LR. In the radiomic-derived model, the AUC value is 0.87 in SVM and 0.79 in LR. In the clinical model, SVM made this distinction with 0.95 AUC and LR with 0.92 AUC value. In the test set, the classifier with the highest success distinguishing malignant wall thickening is SVM in the radiomic-derived model with an AUC value of 0.90. In other models, the AUC value is in the range of 0.75-0.86, and the accuracy values are in the range of 0.72-0.84.ConclusionIn conclusion, radiomic-based machine learning has shown high success in distinguishing malignant and benign BWT and may improve diagnostic accuracy compared to clinical features only. The results of our study may help ensure early diagnosis and treatment of colorectal cancers by facilitating the recognition of malignant BWT.

Kaynak

Japanese Journal of Radiology

Bağlantı

https://doi.org/10.1007/s11604-024-01558-8
https://hdl.handle.net/11436/8934

Koleksiyonlar

  • PubMed İndeksli Yayınlar Koleksiyonu [2443]
  • Scopus İndeksli Yayınlar Koleksiyonu [5931]
  • TF, Dahili Tıp Bilimleri Bölümü Koleksiyonu [1559]
  • WoS İndeksli Yayınlar Koleksiyonu [5260]



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