2021 Korean Thyroid Imaging Reporting and Data System and Imaging-Based Management of Thyroid Nodules: Korean Society of Thyroid Radiology Consensus Statement and Recommendations

Eun Ju Ha, Sae Rom Chung, Dong Gyu Na, Hye Shin Ahn, Jin Chung, Ji Ye Lee, Jeong Seon Park, Roh Eul Yoo, Jung Hwan Baek, Sun Mi Baek, Seong Whi Cho, Yoon Jung Choi, Soo Yeon Hahn, So Lyung Jung, Ji Hoon Kim, Seul Kee Kim, Soo Jin Kim, Chang Yoon Lee, Ho Kyu Lee, Jeong Hyun LeeYoung Hen Lee, Hyun Kyung Lim, Jung Hee Shin, Jung Suk Sim, Jin Young Sung, Jung Hyun Yoon, Miyoung Choi

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Incidental thyroid nodules are commonly detected on ultrasonography (US). This has contributed to the rapidly rising incidence of low-risk papillary thyroid carcinoma over the last 20 years. The appropriate diagnosis and management of these patients is based on the risk factors related to the patients as well as the thyroid nodules. The Korean Society of Thyroid Radiology (KSThR) published consensus recommendations for US-based management of thyroid nodules in 2011 and revised them in 2016. These guidelines have been used as the standard guidelines in Korea. However, recent advances in the diagnosis and management of thyroid nodules have necessitated the revision of the original recommendations. The task force of the KSThR has revised the Korean Thyroid Imaging Reporting and Data System and recommendations for US lexicon, biopsy criteria, US criteria of extrathyroidal extension, optimal thyroid computed tomography protocol, and US follow-up of thyroid nodules before and after biopsy. The biopsy criteria were revised to reduce unnecessary biopsies for benign nodules while maintaining an appropriate sensitivity for the detection of malignant tumors in small (1–2 cm) thyroid nodules. The goal of these recommendations is to provide the optimal scientific evidence and expert opinion consensus regarding US-based diagnosis and management of thyroid nodules.

Original languageEnglish
Pages (from-to)2094-2123
Number of pages30
JournalKorean Journal of Radiology
Volume22
Issue number12
DOIs
StatePublished - Dec 2021

Keywords

  • Computed tomography
  • Fine needle aspiration
  • Lymph nodes
  • Thyroid neoplasm
  • Thyroid nodule
  • Ultrasonography

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