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Prognostic role of the Bethesda System for conventional papillary thyroid carcinoma.

Authors
  • Gweon, Hye Mi1, 2
  • Koo, Hye Ryoung2
  • Son, Eun Ju3
  • Kim, Jeong-Ah1
  • Youk, Ji Hyun1
  • Hong, Soon Won4
  • Lim, Beom Jin4
  • 1 Department of Radiology, Yonsei University College of Medicine, Gangnam Severance Hospital, Seoul, Republic of Korea. , (North Korea)
  • 2 Department of Radiology, Hanyang University College of Medicine, Seoul, Republic of Korea. , (North Korea)
  • 3 Department of Radiology, Yonsei University College of Medicine, Gangnam Severance Hospital, Seoul, Republic of Korea. [email protected] , (North Korea)
  • 4 Department of Pathology, Yonsei University College of Medicine, Gangnam Severance Hospital, Seoul, Republic of Korea. , (North Korea)
Type
Published Article
Journal
Head & neck
Publication Date
Oct 01, 2016
Volume
38
Issue
10
Pages
1509–1514
Identifiers
DOI: 10.1002/hed.24466
PMID: 27062195
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The purpose of this study was to investigate the role of the Bethesda System for Reporting Thyroid Cytopathology (BSRTC) as a prognostic marker in conventional papillary thyroid carcinoma (PTC). A total of 397 patients who underwent ultrasound-guided fine-needle aspiration biopsy (FNAB) and surgery for conventional PTCs were enrolled. The association between the Bethesda category and histopathologic result was evaluated. Among the Bethesda categories, a significant difference was found in the presence of extrathyroidal extension (Bethesda category III, 3.2% [7 of 220]; category V, 19.1% [42 of 220]; and category VI, 77.7% [171 of 220]; p < .001) and lymph node metastasis (Bethesda category III, 3.8% [6 of 156]; category V, 16.7% [26 of 156]; and category VI, 79.5% [124 of 156]; p < .001). Multivariate analysis showed that the Bethesda category was independently predictive of extrathyroidal extension (p = .013) and lymph node metastasis (p = .035). Conventional PTC with a higher Bethesda category at the time of cytology diagnosis would be poor prognosis. © 2016 Wiley Periodicals, Inc. Head Neck 38: First-1514, 2016. © 2016 Wiley Periodicals, Inc.

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