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- W4386332890 abstract "Abstract Objective To evaluate the value of an integrated model incorporating deep learning (DL), radiomics and clinical and US imaging features for diagnosing central lymph node metastasis (CLNM) in patients with papillary thyroid cancer (PTC). Methods This retrospective study reviewed 613 patients with clinicopathologically confirmed PTC from two institutions. The DL model and radiomics model were developed using primary lesion images and then integrated with clinical and US features selected by multivariate analysis to generate an integrated model. The performance was compared with junior and senior radiologists on the independent test set. SHapley Additive exPlanations (SHAP) plot and Gradient-weighted Class Activation Mapping (Grad-CAM) were used for the visualized explanation of the model. Results The integrated model yielded the best performance with an AUC of 0.841. surpassing that of the radiomics model (0.706, p < 0.001) and the DL model (0.819, p = 0.26). Compared to junior and senior radiologists, the integrated model reduced the missed CLNM rate from 57.89% and 44.74–27.63%, and decreased the rate of unnecessary central lymph node dissection (CLND) from 29.87% and 27.27–18.18%, respectively. SHAP analysis revealed that the DL features played a primary role in the diagnosis of CLNM, while clinical and US features (such as extrathyroidal extension, tumor size, age, gender, and multifocality) provided additional support. Grad-CAM indicated that the model exhibited a stronger focus on thyroid capsule in patients with CLNM. Conclusion Integrated model can effectively decrease the incidence of missed CLNM and unnecessary CLND. The application of the integrated model can help improve the acceptance of AI-assisted US diagnosis among radiologists." @default.
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- W4386332890 date "2023-08-31" @default.
- W4386332890 modified "2023-09-27" @default.
- W4386332890 title "An integrated model incorporating deep learning, radiomics and clinical and US features to diagnose central lymph node metastasis in patients with papillary thyroid cancer" @default.
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- W4386332890 doi "https://doi.org/10.21203/rs.3.rs-3218322/v1" @default.
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