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1Division of Endocrinology and Metabolism, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
2Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
3Division of Endocrinology and Metabolism, Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
4Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea
5Department of Internal Medicine, Chungnam National University Hospital, Chungnam National University College of Medicine, Daejeon, Korea
Copyright © 2021 Korean Endocrine Society
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
CONFLICTS OF INTEREST
No potential conflict of interest relevant to this article was reported.
AUTHOR CONTRIBUTIONS
Conception or design: W.G.K. Acquisition, analysis, or interpretation of data: M.J., E.S.K., B.H.K., H.K.K., Y.E.K., M.J.J., T.Y.K., H.C.K., W.B.K., Y.K.S. Drafting the work or revising: M.J., E.S.K. Final approval of the manuscript: M.K.
Characteristic | Value |
---|---|
Number of patients | 73 |
Composition | |
Solid | 62 (84.9) |
Predominantly solid | 11 (15.1) |
Echogenicity | |
Markedly hypoechoic | 9 (12.3) |
Hypoechoic | 40 (54.8) |
Isoechoic | 24 (32.9) |
Non-parallel | 10 (13.7) |
Margin | |
Smooth | 68 (93.2) |
Spiculated | 3 (4.1) |
Ill-defined | 2 (2.7) |
Calcification | |
Microcalcification | 7 (9.6) |
Macrocalcification | 9 (12.3) |
K-TIRADSa | |
Low suspicion | 28 (38.4) |
Intermediate suspicion | 27 (37.0) |
High suspicion | 18 (24.7) |
FNA/CNB | |
Nondiagnostic | 1 (1.1) |
Benign | 11 (12.0) |
AUS/FLUS | 8 (8.7) |
FN or suspicious for FN | 60 (65.2) |
Suspicious for malignancy | 5 (5.4) |
Malignancy | 7 (7.6) |
Values are expressed as number (%).
K-TIRADS, Korean-Thyroid Imaging Reporting and Data System; FNA, fine needle aspiration; CNB, core needle biopsy; AUS, atypia of undetermined significant; FLUS, follicular lesion of undetermined significance; FN, follicular neoplasm.
a FNA/CNB result was available in 92 patients.