Abstract
This study aimed to develop and evaluate a CT-based deep learning radiomics model for differentiating between Crohn’s disease (CD) and intestinal tuberculosis (ITB). A total of 330 patients with pathologically confirmed as CD or ITB from the First Affiliated Hospital of Zhengzhou University were divided into the validation dataset one (CD: 167; ITB: 57) and validation dataset two (CD: 78; ITB: 28). Based on the validation dataset one, the synthetic minority oversampling technique (SMOTE) was adopted to create balanced dataset as training data for feature selection and model construction. The handcrafted and deep learning (DL) radiomics features were extracted from the arterial and venous phases images, respectively. The interobserver consistency analysis, Spearman’s correlation, univariate analysis, and the least absolute shrinkage and selection operator (LASSO) regression were used to select features. Based on extracted multi-phase radiomics features, six logistic regression models were finally constructed. The diagnostic performances of different models were compared using ROC analysis and Delong test. The arterial-venous combined deep learning radiomics model for differentiating between CD and ITB showed a high prediction quality with AUCs of 0.885, 0.877, and 0.800 in SMOTE dataset, validation dataset one, and validation dataset two, respectively. Moreover, the deep learning radiomics model outperformed the handcrafted radiomics model in same phase images. In validation dataset one, the Delong test results indicated that there was a significant difference in the AUC of the arterial models (p = 0.037), while not in venous and arterial-venous combined models (p = 0.398 and p = 0.265) as comparing deep learning radiomics models and handcrafted radiomics models. In our study, the arterial-venous combined model based on deep learning radiomics analysis exhibited good performance in differentiating between CD and ITB.
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Data Availability
The datasets used or analyzed during the current study are available from the corresponding author on reasonable request.
Abbreviations
- CD:
-
Crohn’s disease
- ITB:
-
Intestinal tuberculosis
- CT:
-
Computed tomography
- CTE:
-
Computed tomography enterography
- SMOTE:
-
Synthetic minority oversampling technique
- ATT:
-
Anti-tuberculosis therapy
- ECCO:
-
European Crohn’s and Colitis Organization
- MPR:
-
Multiplanar reconstruction
- CI:
-
Confidence interval
- ICCs:
-
Intraclass/interclass correlation coefficients
- LASSO:
-
Least absolute shrinkage and selection operator
- ROIs:
-
Regions of interest
- ResNet:
-
Residual convolutional neural networks
- LR:
-
Logistic regression
- UC:
-
Ulcerative colitis
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Acknowledgements
We thank the investigators at all participating study sites.
Funding
This work was supported by the Key Project of Science and Technology Research of Henan Province (Grant number 222102210112) and the National Natural and Science Fund of China (Grant numbers 61802350 and 81971615).
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Hanyue Zhang and Wenpeng Huang. The first draft of the manuscript was written by Ming Cheng and Hanyue Zhang, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Cheng, M., Zhang, H., Huang, W. et al. Deep Learning Radiomics Analysis of CT Imaging for Differentiating Between Crohn’s Disease and Intestinal Tuberculosis. J Digit Imaging. Inform. med. (2024). https://doi.org/10.1007/s10278-024-01059-0
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DOI: https://doi.org/10.1007/s10278-024-01059-0