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Radiomics analysis of contrast-enhanced T1W MRI: predicting the recurrence of acute pancreatitis
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Radiomics analysis of contrast-enhanced T1W MRI: predicting the recurrence of acute pancreatitis
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Journal Article
Radiomics analysis of contrast-enhanced T1W MRI: predicting the recurrence of acute pancreatitis
2023
Overview
To investigate the predictive value of radiomics based on T1-weighted contrast-enhanced MRI (CE-MRI) in forecasting the recurrence of acute pancreatitis (AP). A total of 201 patients with first-episode of acute pancreatitis were enrolled retrospectively (140 in the training cohort and 61 in the testing cohort), with 69 and 30 patients who experienced recurrence in each cohort, respectively. Quantitative image feature extraction was obtained from MR contrast-enhanced late arterial-phase images. The optimal radiomics features retained after dimensionality reduction were used to construct the radiomics model through logistic regression analysis, and the clinical characteristics were collected to construct the clinical model. The nomogram model was established by linearly integrating the clinically independent risk factor with the optimal radiomics signature. The five best radiomics features were determined by dimensionality reduction. The radiomics model had a higher area under the receiver operating characteristic curve (AUC) than the clinical model for estimating the recurrence of acute pancreatitis for both the training cohort (0.915 vs. 0.811,
p
= 0.020) and testing cohort (0.917 vs. 0.681,
p
= 0.002). The nomogram model showed good performance, with an AUC of 0.943 in the training cohort and 0.906 in the testing cohort. The radiomics model based on CE-MRI showed good performance for optimizing the individualized prediction of recurrent acute pancreatitis, which provides a reference for the prevention and treatment of recurrent pancreatitis.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
