Abstract
Objectives
Differentiating intestinal tuberculosis (ITB) from Crohn’s disease (CD) remains a diagnostic dilemma. Misdiagnosis carries potential grave implications. We aim to establish a multidisciplinary-based model using machine learning approach for distinguishing ITB from CD.
Methods
Eighty-two patients including 25 patients with ITB and 57 patients with CD were retrospectively recruited (54 in training cohort and 28 in testing cohort). The region of interest (ROI) for the lesion was delineated on magnetic resonance enterography (MRE) and colonoscopy images. Radiomic features were extracted by least absolute shrinkage and selection operator regression. Pathological feature was extracted automatically by deep-learning method. Clinical features were filtered by logistic regression analysis. Diagnostic performance was evaluated by receiver operating characteristic (ROC) curve and decision curve analysis (DCA). Delong’s test was applied to compare the efficiency between the multidisciplinary-based model and the other four single-disciplinary-based models.
Results
The radiomics model based on MRE features yielded an AUC of 0.87 (95% confidence interval [CI] 0.68–0.96) on the test data set, which was similar to the clinical model (AUC, 0.90 [95% CI 0.71–0.98]) and higher than the colonoscopy radiomics model (AUC, 0.68 [95% CI 0.48–0.84]) and pathology deep-learning model (AUC, 0.70 [95% CI 0.49–0.85]). Multidisciplinary model, integrating 3 clinical, 21 MRE radiomic, 5 colonoscopy radiomic, and 4 pathology deep-learning features, could significantly improve the diagnostic performance (AUC of 0.94, 95% CI 0.78–1.00) on the bases of single-disciplinary-based models. DCA confirmed the clinical utility.
Conclusions
Multidisciplinary-based model integrating clinical, MRE, colonoscopy, and pathology features was useful in distinguishing ITB from CD.
Graphical Abstract
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Abbreviations
- CD:
-
Crohn’s disease
- ITB:
-
Intestinal tuberculosis
- ATT:
-
Anti-tubercular therapy
- MRE:
-
Magnetic resonance enterography
- CTE:
-
Computed tomography enterography
- T1WIT1:
-
Weighted image
- T2WI:
-
T2 Weighted image
- DWI:
-
Diffusion weighted imaging
- ADC:
-
Apparent diffusion coefficient
- VOI:
-
Volume of interest
- ICC:
-
Intraclass correlation coefficient
- LASSO:
-
Least absolute shrinkage and selection operator
- RF:
-
Random forest
- ROI:
-
Region of interest
- CNN:
-
Convolutional neural network
- PCA:
-
Principal component analysis
- AUC:
-
Receiver operating characteristic curve
- CI:
-
Confidence interval
- DCA:
-
Decision curve analysis
- NRI:
-
Net reclassification improvement
- IDI:
-
Integrated discrimination improvement
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Funding
This study was supported by the National Natural Science Foundation of China [Grant Nos. 82070680, 82072002, 82270693, 82271958, 62371303].
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Lu, B., Huang, Z., Lin, J. et al. A novel multidisciplinary machine learning approach based on clinical, imaging, colonoscopy, and pathology features for distinguishing intestinal tuberculosis from Crohn’s disease. Abdom Radiol (2024). https://doi.org/10.1007/s00261-024-04307-7
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DOI: https://doi.org/10.1007/s00261-024-04307-7