Standardized Ultrasound Evaluation for Active Surveillance of Low-Risk Thyroid Microcarcinoma in Adults: 2024 Korean Society of Thyroid Radiology Consensus Statement

Active surveillance (AS) has been widely adopted as an alternative to immediate surgery owing to the indolent nature and favorable outcomes of papillary thyroid microcarcinoma (PTMC). AS is generally recommended for tumors measuring ≤1 cm without aggressive cytological subtypes, risk of gross extrat...

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Bibliographic Details
Published in:Journal of the Korean Society of Radiology 2024, 85(6), , pp.1060-1082
Main Authors: Lee, Ji Ye, Lee, Min Kyoung, Lim, Hyun Kyung, Lee, Chang Yoon, Sung, Jin Yong, Yoon, Jung Hyun, Hahn, Soo Yeon, Shin, Jung Hee, Kim, Ji-Hoon, Jung, So Lyung, Chung, Sae Rom, Baek, Jung Hwan, Na, Dong Gyu
Format: Article
Language:English
Subjects:
active surveillance
consensus
Neuroradiology & Neurointervention
papillary thyroid cancer
practice guideline
recommendation
thyroid neoplasms
watchful waiting
방사선과학
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Summary:Active surveillance (AS) has been widely adopted as an alternative to immediate surgery owing to the indolent nature and favorable outcomes of papillary thyroid microcarcinoma (PTMC). AS is generally recommended for tumors measuring ≤1 cm without aggressive cytological subtypes, risk of gross extrathyroidal extension (ETE), lymph node metastasis (LNM), or distant metastasis. AS requires careful patient selection based on various patient and tumor characteristics, and ultrasound (US) findings. Moreover, during AS, regular US is performed to monitor any signs of tumor progression, including tumor growth, new US features of potential gross ETE, and LNM. Therefore, appropriate imaging-based assessment plays a crucial role in determining whether AS or surgery should be pursued. However, detailed recommendations concerning US evaluation are currently insufficient, necessitating the formulation of this guideline. The Korean Society of Thyroid Radiology has developed a consensus statement for low-risk PTMC, covering US assessment methods when considering AS as a management option and conducting follow-up imaging tests during AS. This guideline aims to provide optimal scientific evidence and expert opinion consensus regarding a standardized US-based assessment protocol for low-risk PTMC.
ISSN:2951-0805
2951-0805
DOI:10.3348/jksr.2024.0132