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논문 기본 정보

자료유형
학술저널
저자정보
Ha Su Min (Department of Radiology Seoul National University Hospital Seoul Korea.Department of Radiology Seou) 백정환 (울산대학교) Na Dong Gyu (Department of Radiology Gangneung Asan Hospital University of Ulsan College of Medicine Gangneung K) Jung Chan Kwon (Department of Hospital Pathology College of Medicine The Catholic University of Korea Seoul Korea.) Suh Chong Hyun (Department of Radiology and Research Institute of Radiology University of Ulsan College of Medicine) 송영기 (울산대학교)
저널정보
대한초음파의학회 ULTRASONOGRAPHY ULTRASONOGRAPHY Vol.40 No.2
발행연도
2021.1
수록면
228 - 236 (9page)

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Purpose: The diagnostic performance of thyroid biopsy is influenced by several factors, including differences in the Bethesda categorization for malignancy, the inclusion or exclusion of non�diagnostic results, the definition used for the final diagnosis, and the definition of an inconclusive diagnosis. The purpose of this study was to provide an understanding of the factors influencing the diagnostic performance of thyroid biopsy. Methods: We collected data retrospectively between January and December 2013 from a cohort of 6,762 thyroid nodules from 6,493 consecutive patients who underwent biopsy. In total, 4,822 nodules from 4,553 patients were included. We calculated the biopsy sensitivity according to the inclusion of different Bethesda categories in the numerator and the exclusion of non-diagnostic results, as well as the diagnostic accuracy according to different definitions of a benign diagnosis. We obtained the conclusive and inconclusive diagnosis rates. Results: The sensitivity increased when more Bethesda categories were included in the numerator and when non-diagnostic results were excluded. When a benign thyroid nodule diagnosis was defined as benign findings on surgical resection, concordant benign results on at least two occasions, or an initial benign biopsy result and follow-up for more than 12 months, the accuracy was higher than when the diagnosis was based on surgical resection alone (91.1% vs. 68.7%). A higher conclusive diagnosis rate was obtained when Bethesda categories I and III were considered inconclusive than when Bethesda categories I, III and IV were considered inconclusive (78.3% vs. 72.8%, P<0.001). Conclusion: Understanding the concepts presented herein is important in order to appropriately interpret the diagnostic performance of thyroid biopsy.

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