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논문 기본 정보

자료유형
학술저널
저자정보
Kim Min Je (Department of Radiology Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Kor) 신정희 (성균관대학교) Hahn Soo Yeon (Department of Radiology and Center for Imaging Science Samsung Medical Center Sungkyunkwan Universi) 오영륜 (성균관대학교) 김선욱 (성균관대학교) 김태혁 (성균관대학교) 임예지 (중앙대학교) Sanghyuk Lee (Department of Applied Statistics Chung-Ang University)
저널정보
대한초음파의학회 ULTRASONOGRAPHY ULTRASONOGRAPHY Vol.41 No.4
발행연도
2022.10
수록면
689 - 697 (9page)
DOI
10.14366/usg.21264

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Purpose: This study investigated the ultrasound (US) features of malignancy in patients with Hurthle cell neoplasms (HCNs) of the thyroid gland. Methods: The present study included 139 HCNs that had undergone surgical excision at a single institution from 1996 to 2020 and had preoperative US images. The sonographic characteristics of HCNs were correlated with their pathological results. The US findings associated with malignancy were explored using logistic regression analysis, and the diagnostic performance and cutoff were assessed using receiver operating characteristic analysis. Results: The most common US findings of HCNs were a solid content (76.3%), oval to round shape (100%), hypoechogenicity (70.5%), a smooth margin (95.0%), the halo sign (90.6%), and no calcifications (93.5%). HCNs were commonly smaller in pathologic measurements than in US measurements (smaller, same, and greater than US measurements in 60.4%, 21.6%, and 18.0% of HCNs, respectively; P<0.001). On US, malignant nodules were significantly larger than benign nodules (3.4±1.6 cm vs. 2.2±1.2 cm, P<0.001). Multiple logistic regression showed that the US tumor size was an independent predictor of malignancy (P=0.001; odds ratio, 1.730 for a 1-cm increase [95% confidence interval, 1.258 to 2.375]). The best cutoff US tumor size for predicting malignancy was 3.35 cm (sensitivity, 53.1%; specificity, 87.9%). Conclusion: The US tumor size was found to be an independent predictor of malignancy in HCNs, and a US tumor size >3.35 cm might be used as a criterion to suggest malignancy. The size of HCNs often showed discrepancies between US and pathologic measurements.

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