J Pathol Transl Med.  2017 Jul;51(4):410-417. 10.4132/jptm.2017.04.05.

The Use of the Bethesda System for Reporting Thyroid Cytopathology in Korea: A Nationwide Multicenter Survey by the Korean Society of Endocrine Pathologists

Affiliations
  • 1Department of Pathology, Seoul National University Hospital, Seoul, Korea.
  • 2Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Korea. smk0103@yahoo.co.kr hjparkmd92@gmail.com
  • 3Department of Pathology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
  • 4Department of Pathology, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea.
  • 5Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul, Korea.
  • 6Department of Pathology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 7Department of Pathology, Thyroid Center, Daerim St. Mary’s Hospital, Seoul, Korea.
  • 8Department of Pathology, Chonnam National University Medical School, Gwangju, Korea.
  • 9Department of Pathology, Chosun University School of Medicine, Gwangju, Korea.
  • 10Department of Pathology, Soon Chun Hyang University Hospital, Bucheon, Korea.
  • 11Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
  • 12Department of Pathology, Hallym University Sacred Heart Hospital, Anyang, Korea.
  • 13Department of Pathology, Eulji University School of Medicine, Daejeon, Korea.
  • 14Department of Pathology, Inje University Haeundae Paik Hospital, Busan, Korea.
  • 15Department of Pathology, Seegene Medical Foundation, Busan, Korea.
  • 16Department of Pathology, Konyang University Hospital, Daejeon, Korea.
  • 17Department of Pathology, Yangji General Hospital, Seoul, Korea.
  • 18Department of Pathology, Thyroid Cancer Center, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
  • 19Department of Pathology, Hallym University Kangnam Sacred Heart Hospital, Seoul, Korea. smk0103@yahoo.co.kr hjparkmd92@gmail.com

Abstract

BACKGROUND
The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) has standardized the reporting of thyroid cytology specimens. The objective of the current study was to evaluate the nationwide usage of TBSRTC and assess the malignancy rates in each category of TBSRTC in Korea.
METHODS
Questionnaire surveys were used for data collection on the fine needle aspiration (FNA) of thyroid nodules at 74 institutes in 2012. The incidences and follow-up malignancy rates of each category diagnosed from January to December, 2011, in each institute were also collected and analyzed.
RESULTS
Sixty out of 74 institutes answering the surveys reported the results of thyroid FNA in accordance with TBSRTC. The average malignancy rates for resected cases in 15 institutes were as follows: nondiagnostic, 45.6%; benign, 16.5%; atypical of undetermined significance, 68.8%; suspicious for follicular neoplasm (SFN), 30.2%; suspicious for malignancy, 97.5%; malignancy, 99.7%.
CONCLUSIONS
More than 80% of Korean institutes were using TBSRTC as of 2012. All malignancy rates other than the SFN and malignancy categories were higher than those reported by other countries. Therefore, the guidelines for treating patients with thyroid nodules in Korea should be revisited based on the malignancy rates reported in this study.

Keyword

Thyroid; Biopsy, Fine-needle; Bethesda system; Cytopathology; Korea

MeSH Terms

Academies and Institutes
Biopsy, Fine-Needle
Data Collection
Follow-Up Studies
Humans
Incidence
Korea*
Thyroid Gland*
Thyroid Nodule

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Int J Thyroidol. 2018;11(1):15-20.    doi: 10.11106/ijt.2018.11.1.15.

Current Status of Thyroid Fine-Needle Aspiration Practice in Thailand
Somboon Keelawat, Samreung Rangdaeng, Supinda Koonmee, Tikamporn Jitpasutham, Andrey Bychkov
J Pathol Transl Med. 2017;51(6):565-570.    doi: 10.4132/jptm.2017.08.12.

Thyroid Fine-Needle Aspiration Cytology Practice in Korea
Yoon Jin Cha, Ju Yeon Pyo, SoonWon Hong, Jae Yeon Seok, Kyung-Ju Kim, Jee-Young Han, Jeong Mo Bae, Hyeong Ju Kwon, Yeejeong Kim, Kyueng-Whan Min, Soonae Oak, Sunhee Chang
J Pathol Transl Med. 2017;51(6):521-527.    doi: 10.4132/jptm.2017.09.26.

Current Practices of Thyroid Fine-Needle Aspiration in Asia: A Missing Voice
Andrey Bychkov, Kennichi Kakudo, SoonWon Hong
J Pathol Transl Med. 2017;51(6):517-520.    doi: 10.4132/jptm.2017.09.27.


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