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To address the issue of false positives caused by small nodules, we introduced a multi-rescale fusion network (MRF-Net). Four different deep learning models, namely MobileNet V3, ResNet50, DenseNet121 and MRF-Net, were studied based on the feature information extracted from ultrasound images. The performance of each model was evaluated using various metrics, including sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), accuracy, F1 value, receiver operating curve (ROC), area under the curve (AUC), decision curve analysis (DCA), and confusion matrix.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Out of the total nodules examined, 193 were identified as FTA and 86 were confirmed as FTC. Among the deep learning models evaluated, MRF-Net exhibited the highest accuracy and area under the curve (AUC) with values of 85.3% and 84.8%, respectively. Additionally, MRF-Net demonstrated superior sensitivity and specificity compared to other models. Notably, MRF-Net achieved an impressive F1 value of 83.08%. The curve of DCA revealed that MRF-Net consistently outperformed the other models, yielding higher net benefits across various decision thresholds.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The utilization of MRF-Net enables more precise discrimination between benign and malignant thyroid follicular tumors utilizing preoperative US.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12880-024-01244-1","type":"journal-article","created":{"date-parts":[[2024,3,27]],"date-time":"2024-03-27T10:02:14Z","timestamp":1711533734000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["The value of a neural network based on multi-scale feature fusion to ultrasound images for the differentiation in thyroid follicular neoplasms"],"prefix":"10.1186","volume":"24","author":[{"given":"Weiwei","family":"Chen","sequence":"first","affiliation":[]},{"given":"Xuejun","family":"Ni","sequence":"additional","affiliation":[]},{"given":"Cheng","family":"Qian","sequence":"additional","affiliation":[]},{"given":"Lei","family":"Yang","sequence":"additional","affiliation":[]},{"given":"Zheng","family":"Zhang","sequence":"additional","affiliation":[]},{"given":"Mengdan","family":"Li","sequence":"additional","affiliation":[]},{"given":"Fanlei","family":"Kong","sequence":"additional","affiliation":[]},{"given":"Mengqin","family":"Huang","sequence":"additional","affiliation":[]},{"given":"Maosheng","family":"He","sequence":"additional","affiliation":[]},{"given":"Yifei","family":"Yin","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2024,3,27]]},"reference":[{"issue":"6","key":"1244_CR1","doi-asserted-by":"publisher","first-page":"583","DOI":"10.1089\/thy.2005.15.583","volume":"15","author":"T Carling","year":"2005","unstructured":"Carling T, Udelsman R. 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