Korean Journal of Radiology

  • 제19권1호
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  • Pages.158-166
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  • 2018
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  • 1229-6929(pISSN)
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  • 2005-8330(eISSN)
대한영상의학회 (The Korean Society of Radiology)
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Ultrasonographic Interval Changes in Solid Thyroid Nodules after Ultrasonography-Guided Fine-Needle Aspiration

  • Hwang, Ik Jung (Department of Radiology, Busan Paik Hospital, Inje University College of Medicine) ;
  • Kim, Dong Wook (Department of Radiology, Busan Paik Hospital, Inje University College of Medicine) ;
  • Lee, Yoo Jin (Department of Radiology, Busan Paik Hospital, Inje University College of Medicine) ;
  • Choo, Hye Jung (Department of Radiology, Busan Paik Hospital, Inje University College of Medicine) ;
  • Jung, Soo Jin (Department of Pathology, Busan Paik Hospital, Inje University College of Medicine) ;
  • Baek, Hye Jin (Department of Radiology, Gyeongsang National University Changwon Hospital, Gyeongsang National University School of Medicine)
  • 투고 : 2017.02.23
  • 심사 : 2017.06.14
  • 발행 : 2018.02.01
⟨ 이전 논문 다음 논문 ⟩

초록

Objective: None of the previous studies have investigated the interval change in ultrasonography (US) features of solid thyroid nodules (STNs) after US-guided fine-needle aspiration (US-FNA). This study aimed to assess the prevalence and characteristics of US interval changes in STNs after US-FNA. Materials and Methods: This study included 257 STNs in 257 patients in whom thyroid US and initial US-FNA had been performed by two radiologists from January 2015 to June 2015. One of the radiologists performed single needle puncture in all cases, whereas the other radiologist used double or triple needle punctures. Follow-up US examinations were performed after $12.0{\pm}6.0months$. We evaluated the prevalence and characteristics of post-FNA US interval changes through a retrospective analysis. In addition, multiple factors were correlated with post-FNA US interval changes. Results: The number of needle punctures was one (n = 91), two (n = 163), and three (n = 3). Of the 257 STNs (mean diameter, 11.9 mm) in 257 patients, 35 (13.6%) showed an interval change in US features on follow-up US. Among them, 17 STNs (6.6%) showed newly developed malignant US features, including hypoechogenicity (n = 5), microcalcifications (n = 2), a spiculated margin (n = 4), hypoechogenicity with a spiculated margin (n = 5), and microcalcifications with non-parallel orientation (n = 1). Between patients who showed presence and absence of US interval changes, there were no significant differences in patient age, sex, nodule size, dichotomization, and location, Korean Thyroid Imaging Reporting and Data System categorization after FNA, practitioners involved, number of needle punctures, cytological findings, and interval between FNA and US follow-up (p > 0.05). Conclusion: Awareness of US interval changes after US-FNA of STNs may be helpful for the management of STNs.

키워드

참고문헌

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피인용 문헌

  1. Characteristics of Recent Articles Published in the Korean Journal of Radiology Based on the Citation Frequency vol.21, pp.12, 2020, https://doi.org/10.3348/kjr.2020.1322