{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,28]],"date-time":"2026-06-28T06:45:00Z","timestamp":1782629100747,"version":"3.54.5"},"reference-count":53,"publisher":"SAGE Publications","issue":"3-4","license":[{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Subtype Diagnosis and Prognostic Prediction of Papillary Thyroid Carcinoma Based on Clinical Ultrasound Characteristics and Molecular Biomarkers","award":["(22JR11RA078)"],"award-info":[{"award-number":["(22JR11RA078)"]}]},{"name":"Gansu Province Clinical Research Center for Ultrasonography","award":["No.2020-0411-SFC-0021"],"award-info":[{"award-number":["No.2020-0411-SFC-0021"]}]},{"name":"Multimodal Ultrasound Combined with Molecular Biomarkers for Risk Stratification of Papillary Thyroid Carcinoma Prognosis","award":["(CY2022-YB-B02)"],"award-info":[{"award-number":["(CY2022-YB-B02)"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Clinical Hemorheology and Microcirculation"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Partially cystic thyroid nodules (PCTNs) are frequently underestimated in clinical practice and managed conservatively, potentially increasing the risk of cervical lymph node metastasis. This study aims to explore the contrast-enhanced ultrasound features associated with malignancy in PCTNs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective study included 94 PCTNs from 87 patients in the Second Hospital of Lanzhou University between January 2019 and December 2024. Conventional ultrasound, contrast-enhanced ultrasound (CEUS) features, and clinical data of the nodules were analyzed. Using pathological diagnosis as the gold standard, univariate and multivariate logistic regression analyses were conducted to identify independent predictors of malignancy in PCTNs. A predictive model was subsequently developed, and its diagnostic performance was assessed using receiver operating characteristic (ROC) curve analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Centrifugal perfusion, an ill-defined enhancement boundary, faster washout, and the absence of a peripheral high-enhancement ring are independent predictors of malignant PCTNs. The resulting predictive model exhibited excellent diagnostic performance for PCTNs, with a sensitivity of 92.7%, a specificity of 92.5%, a Youden index of 0.852, and an AUC of 0.968.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>CEUS features are valuable in differentiating malignant nodules from benign PCTNs, improving physicians\u2019 diagnostic confidence in distinguishing benign and malignant PCTNs, and assisting clinicians in clinical decision-making.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/13860291261430999","type":"journal-article","created":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T12:16:36Z","timestamp":1776341796000},"page":"55-64","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Diagnostic analysis of contrast-enhanced ultrasound features in malignant 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