{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:47:16Z","timestamp":1786978036092,"version":"build-2736575974"},"reference-count":22,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2024,3,11]],"date-time":"2024-03-11T00:00:00Z","timestamp":1710115200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Clinical Ultrasound"],"published-print":{"date-parts":[[2024,6]]},"abstract":"Abstract<\/jats:title>\n \n Purpose<\/jats:title>\n To explore the diagnostic value of intralesional and perilesional radiomics based on multimodal ultrasound (US) images in predicting the malignant ACR TIRADS 4 thyroid nodules (TNs).<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n \n A total of 297 cases of TNs in patients who underwent preoperative thyroid grayscale US and shear wave elastography (STE) were enrolled (training cohort:\n n<\/jats:italic>\n \u2009=\u2009150, internal validation cohort:\n n<\/jats:italic>\n \u2009=\u200977, external validation cohort:\n n<\/jats:italic>\n \u2009=\u200970). Regions of interests (ROIs) were delineated on grayscale US images and STE images, and then an isotropic expansion of 1.0, 1.5, 2.0, 2.5, and 3.0\u2009mm was applied. Predictive models were established using recursive feature elimination\u2010support vector machines (RFE\u2010SVM) based on radiomics features calculated by random forest.\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n The perilesional ROI\n 1.5mm<\/jats:sub>\n expansion achieved the highest area under curve (AUC) (AUC: 0.753 for grayscale US, 0.728 for STE; 95% confidence interval (CI): 0.664\u20130.743, 0.684\u20130.739, respectively). The joint model had the highest AUC values of 0.936 in the training dataset, 0.926 in internal dataset, and 0.893 in external dataset. The calibration curve showed good consistency and the decision curve indicated a greater clinical net benefit of the joint model.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n Joint model containing perilesional radiomics (1.5\u2009mm) had significant value in predicting the malignant ACR TIRADS 4 TNs.<\/jats:p>\n <\/jats:sec>","DOI":"10.1002\/jcu.23662","type":"journal-article","created":{"date-parts":[[2024,3,11]],"date-time":"2024-03-11T05:34:11Z","timestamp":1710135251000},"page":"511-521","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Enhancing malignancy prediction in thyroid nodules: A multimodal ultrasound radiomics approach in\n TI\u2010RADS<\/scp>\n category 4 lesions"],"prefix":"10.1002","volume":"52","author":[{"given":"Jian","family":"Li","sequence":"first","affiliation":[{"name":"Department of Ultrasound The First Affiliated Hospital of Anhui Medical University Hefei Anhui Province 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