Background Fine needle aspiration (FNA) is a widely utilized technique for assessing thyroid nodules; however, its inherent non-diagnostic rate poses diagnostic challenges. The present study aimed to evaluate and compare the diagnostic efficacy of FNA, core needle biopsy (CNB), and their combined application in the assessment of thyroid nodules.
Methods A total of 56 nodules from 50 patients was analyzed using both FNA and simultaneous CNB. The ultrasound characteristics were categorized according to the American College of Radiology Thyroid Imaging Reporting and Data Systems classification system. The study compared the sensitivity, specificity, and accuracy of FNA, CNB, and the combination of the two techniques.
Results The concordance between FNA and CNB was notably high, with a kappa coefficient of 0.837. The sensitivity for detecting thyroid malignancy was found to be 25.0% for FNA, 66.7% for CNB, and 83.3% for the combined FNA/CNB approach, with corresponding specificities of 84.6%, 97.4%, and 97.4%. The accuracy of the FNA/CNB combination was the highest at 94.1%.
Conclusions The findings of this study indicate that both CNB and the FNA/CNB combination offer greater diagnostic accuracy for thyroid malignancy compared to FNA alone, with no significant complications reported. Integrating CNB with FNA findings may enhance management strategies and treatment outcomes for patients with thyroid nodules.
As the application of core needle biopsy (CNB) in evaluating thyroid nodules rises in clinical practice, the 2023 Korean Thyroid Association Management Guidelines for Patients with Thyroid Nodules have officially recognized its value for the first time. CNB procures tissue samples preserving both histologic structure and cytologic detail, thereby supplying substantial material for an accurate diagnosis and reducing the necessity for repeated biopsies or subsequent surgical interventions. The current review introduces the risk of malignancy within distinct diagnostic categories, emphasizing the implications of noninvasive follicular thyroid neoplasm with papillary-like nuclear features on these malignancy risks. Prior research has indicated diagnostic challenges associated with follicular-patterned lesions, resulting in notable variation within indeterminate diagnostic categories. The utilization of mutation-specific immunostaining in CNB enhances the accuracy of lesion classification. This review underlines the essential role of a multidisciplinary approach in diagnosing follicular-patterned lesions and the potential of mutation-specific immunostaining to strengthen diagnostic consensus and inform patient management decisions.
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Ultrasound-guided core needle biopsy (CNB) has been increasingly used for the pre-operative diagnosis of thyroid nodules. Since the Korean Society of the Thyroid Radiology published the ‘Consensus Statement and Recommendations for Thyroid CNB’ in 2017 and the Korean Endocrine Pathology Thyroid CNB Study Group published ‘Pathology Reporting of Thyroid Core Needle Biopsy’ in 2015, advances have occurred rapidly not only in the management guidelines for thyroid nodules but also in the diagnostic terminology and classification schemes. The Clinical Practice Guidelines Development Committee of the Korean Thyroid Association (KTA) reviewed publications on thyroid CNB from 1995 to September 2019 and updated the recommendations and statements for the diagnosis and management of thyroid nodules using CNB. Recommendations for the resolution of clinical controversies regarding the use of CNB were based on expert opinion. These practical guidelines include recommendations and statements regarding indications for CNB, patient preparation, CNB technique, biopsy-related complications, biopsy specimen preparation and processing, and pathology interpretation and reporting of thyroid CNB.
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Background This study investigated the appropriate management of thyroid nodules with prior non-diagnostic or atypia of undetermined significance/follicular lesion of undetermined significance (AUS/FLUS) through a systematic review and meta-analysis.
Methods This study included 4,235 thyroid nodules from 26 eligible studies. We investigated the conclusive rate of follow-up core needle biopsy (CNB) or repeat fine needle aspiration (rFNA) after initial fine needle aspiration (FNA) with non-diagnostic or AUS/FLUS results. A diagnostic test accuracy (DTA) review was performed to determine the diagnostic role of the follow-up CNB and to calculate the area under the curve (AUC) on the summary receiver operating characteristic (SROC) curve.
Results The conclusive rates of follow-up CNB and rFNA after initial FNA were 0.879 (95% confidence interval [CI], 0.801 to 0.929) and 0.684 (95% CI, 0.627 to 0.736), respectively. In comparison of the odds ratios of CNB and rFNA, CNB had more frequent conclusive results than rFNA (odds ratio, 5.707; 95% CI, 2.530 to 12.875). Upon subgroup analysis, follow-up CNB showed a higher conclusive rate than rFNA in both initial non-diagnostic and AUS/FLUS subgroups. In DTA review of followup CNB, the pooled sensitivity and specificity were 0.94 (95% CI, 0.88 to 0.97) and 0.88 (95% CI, 0.84 to 0.91), respectively. The AUC for the SROC curve was 0.981, nearing 1.
Conclusions Our results show that CNB has a higher conclusive rate than rFNA when the initial FNA produced inconclusive results. Further prospective studies with more detailed criteria are necessary before follow-up CNB can be applied in daily practice.
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In recent years throughout Korea, the use of ultrasound-guided core needle biopsy (CNB) has become common for the preoperative diagnosis of thyroid nodules. However, there is no consensus on the pathology reporting system for thyroid CNB. The Korean Endocrine Pathology Thyroid Core Needle Biopsy Study Group held a conference on thyroid CNB pathology and developed guidelines through contributions from the participants. This article discusses the outcome of the discussions that led to a consensus on the pathology reporting of thyroid CNB.
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A Matched-Pair Analysis of Nuclear Morphologic Features Between Core Needle Biopsy and Surgical Specimen in Thyroid Tumors Using a Deep Learning Model Faridul Haq, Andrey Bychkov, Chan Kwon Jung Endocrine Pathology.2022; 33(4): 472. CrossRef
Role of echogenic foci in ultrasonographic risk stratification of thyroid nodules: Echogenic focus scoring in the American College of Radiology Thyroid Imaging Reporting and Data System Renxu Li, Zhenwei Liang, Xiangyu Wang, Luzeng Chen Frontiers in Oncology.2022;[Epub] CrossRef
Ultrasonographic characteristics of medullary thyroid carcinoma according to nodule size: application of the Korean Thyroid Imaging Reporting and Data System and American Thyroid Association guidelines Soo Yeon Hahn, Jung Hee Shin, Young Lyun Oh, Ko Woon Park Acta Radiologica.2021; 62(4): 474. CrossRef
Assessing the diagnostic performance of thyroid biopsy with recommendations for appropriate interpretation Su Min Ha, Jung Hwan Baek, Dong Gyu Na, Chan-Kwon Jung, Chong Hyun Suh, Young Kee Shong, Tae Yon Sung, Dong Eun Song, Jeong Hyun Lee Ultrasonography.2021; 40(2): 228. CrossRef
Usage and Diagnostic Yield of Fine-Needle Aspiration Cytology and Core Needle Biopsy in Thyroid Nodules: A Systematic Review and Meta-Analysis of Literature Published by Korean Authors Soon-Hyun Ahn Clinical and Experimental Otorhinolaryngology.2021; 14(1): 116. CrossRef
Comparison of the Efficacy and Safety of the American Thyroid Association Guidelines and American College of Radiology TI-RADS Jinghua Liu, Yajun Guo, Jiangxi Xiao, Luzeng Chen, Zhenwei Liang Endocrine Practice.2021; 27(7): 661. CrossRef
Malignancy Rate of Bethesda Class III Thyroid Nodules Based on the Presence of Chronic Lymphocytic Thyroiditis in Surgical Patients Yoon Young Cho, Yun Jae Chung, Hee Sung Kim Frontiers in Endocrinology.2021;[Epub] CrossRef
Efficacy of Differential Diagnosis of Thyroid Nodules by Shear Wave Elastography—the Stiffness Map Myung Hi Yoo, Hye Jeong Kim, In Ho Choi, Suyeon Park, Sumi Yun, Hyeong Kyu Park, Dong Won Byun, Kyoil Suh Journal of the Endocrine Society.2021;[Epub] CrossRef
The relationship of thyroid nodule size on malignancy risk according to histological type of thyroid cancer Sae Rom Chung, Jung Hwan Baek, Young Jun Choi, Tae-Yon Sung, Dong Eun Song, Tae Yong Kim, Jeong Hyun Lee Acta Radiologica.2020; 61(5): 620. CrossRef
Concordance of Three International Guidelines for Thyroid Nodules Classified by Ultrasonography and Diagnostic Performance of Biopsy Criteria Younghee Yim, Dong Gyu Na, Eun Ju Ha, Jung Hwan Baek, Jin Yong Sung, Ji-hoon Kim, Won-Jin Moon Korean Journal of Radiology.2020; 21(1): 108. CrossRef
2019 Practice guidelines for thyroid core needle biopsy: a report of the Clinical Practice Guidelines Development Committee of the Korean Thyroid Association Chan Kwon Jung, Jung Hwan Baek, Dong Gyu Na, Young Lyun Oh, Ka Hee Yi, Ho-Cheol Kang Journal of Pathology and Translational Medicine.2020; 54(1): 64. CrossRef
Core-Needle Biopsy Does Not Show Superior Diagnostic Performance to Fine-Needle Aspiration for Diagnosing Thyroid Nodules Ilah Shin, Eun-Kyung Kim, Hee Jung Moon, Jung Hyun Yoon, Vivian Youngjean Park, Si Eun Lee, Hye Sun Lee, Jin Young Kwak Yonsei Medical Journal.2020; 61(2): 161. CrossRef
Ultrasound‐guided fine‐needle aspiration or core needle biopsy for diagnosing follicular thyroid carcinoma? Ko Woon Park, Jung Hee Shin, Soo Yeon Hahn, Young Lyun Oh, Sun Wook Kim, Tae Hyuk Kim, Jae Hoon Chung Clinical Endocrinology.2020; 92(5): 468. CrossRef
Distribution and malignancy risk of six categories of the pathology reporting system for thyroid core-needle biopsy in 1,216 consecutive thyroid nodules Hye Min Son, Ji-hoon Kim, Soo Chin Kim, Roh-Eul Yoo, Jeong Mo Bae, Hyobin Seo, Dong Gyu Na Ultrasonography.2020; 39(2): 159. CrossRef
CT features of thyroid nodules with isolated macrocalcifications detected by ultrasonography Wooyul Paik, Dong Gyu Na, Hye Yun Gwon, Jinna Kim Ultrasonography.2020; 39(2): 130. CrossRef
Contribution of cytologic examination to diagnosis of poorly differentiated thyroid carcinoma Na Rae Kim, Jae Yeon Seok, Yoo Seung Chung, Joon Hyop Lee, Dong Hae Chung Journal of Pathology and Translational Medicine.2020; 54(2): 171. CrossRef
Comparison Between Fine Needle Aspiration and Core Needle Biopsy for the Diagnosis of Thyroid Nodules: Effective Indications According to US Findings Soo Yeon Hahn, Jung Hee Shin, Young Lyun Oh, Ko Woon Park, Yaeji Lim Scientific Reports.2020;[Epub] CrossRef
Thyroid Nodules with Isolated Macrocalcifications: Malignancy Risk of Isolated Macrocalcifications and Postoperative Risk Stratification of Malignant Tumors Manifesting as Isolated Macrocalcifications Hye Yun Gwon, Dong Gyu Na, Byeong-Joo Noh, Wooyul Paik, So Jin Yoon, Soo-Jung Choi, Dong Rock Shin Korean Journal of Radiology.2020; 21(5): 605. CrossRef
Diagnostic Efficacy and Safety of Core Needle Biopsy as a First-Line Diagnostic Method for Thyroid Nodules: A Prospective Cohort Study Min Ji Hong, Dong Gyu Na, Hunkyung Lee Thyroid.2020; 30(8): 1141. CrossRef
Re: The 2019 core-needle biopsy practice guidelines Ji-hoon Kim Ultrasonography.2020; 39(3): 313. CrossRef
Cytopathologic criteria and size should be considered in comparison of fine-needle aspiration vs. core-needle biopsy for thyroid nodules: results based on large surgical series Jung Hyun Yoon, Hye Sun Lee, Eun-Kyung Kim, Hee Jung Moon, Vivian Youngjean Park, Jin Young Kwak Endocrine.2020; 70(3): 558. CrossRef
Preoperative diagnostic categories of fine needle aspiration cytology for histologically proven thyroid follicular adenoma and carcinoma, and Hurthle cell adenoma and carcinoma: Analysis of cause of under- or misdiagnoses Hee Young Na, Jae Hoon Moon, June Young Choi, Hyeong Won Yu, Woo-Jin Jeong, Yeo Koon Kim, Ji-Young Choe, So Yeon Park, Paula Soares PLOS ONE.2020; 15(11): e0241597. CrossRef
The Role of Core Needle Biopsy for the Evaluation of Thyroid Nodules with Suspicious Ultrasound Features Sae Rom Chung, Jung Hwan Baek, Young Jun Choi, Tae-Yon Sung, Dong Eun Song, Tae Yong Kim, Jeong Hyun Lee Korean Journal of Radiology.2019; 20(1): 158. CrossRef
Pathological diagnosis of thyroid nodules based on core needle biopsies: comparative study between core needle biopsies and resected specimens in 578 cases Yan Xiong, Limin Yan, Lin Nong, Yalin Zheng, Ting Li Diagnostic Pathology.2019;[Epub] CrossRef
The Current Histologic Classification of Thyroid Cancer Sylvia L. Asa Endocrinology and Metabolism Clinics of North America.2019; 48(1): 1. CrossRef
Core-needle biopsy in thyroid nodules: performance, accuracy, and complications Miguel Paja, Jose Luis del Cura, Rosa Zabala, Igone Korta, Aitziber Ugalde, José I. López European Radiology.2019; 29(9): 4889. CrossRef
Ultrasound‐guided needle biopsy of large thyroid nodules: Core needle biopsy yields more reliable results than fine needle aspiration Hyeon Jin Lee, Young Joong Kim, Hye Yeon Han, Jae Young Seo, Cheol Mog Hwang, KeumWon Kim Journal of Clinical Ultrasound.2019; 47(5): 255. CrossRef
Tumor Volume Doubling Time in Active Surveillance of Papillary Thyroid Carcinoma Hye-Seon Oh, Hyemi Kwon, Eyun Song, Min Ji Jeon, Tae Yong Kim, Jeong Hyun Lee, Won Bae Kim, Young Kee Shong, Ki-Wook Chung, Jung Hwan Baek, Won Gu Kim Thyroid.2019; 29(5): 642. CrossRef
Role of Immunohistochemistry in Fine Needle Aspiration and Core Needle Biopsy of Thyroid Nodules Seulki Song, Hyojin Kim, Soon-Hyun Ahn Clinical and Experimental Otorhinolaryngology.2019; 12(2): 224. CrossRef
Echogenic foci in thyroid nodules: diagnostic performance with combination of TIRADS and echogenic foci Su Min Ha, Yun Jae Chung, Hye Shin Ahn, Jung Hwan Baek, Sung Bin Park BMC Medical Imaging.2019;[Epub] CrossRef
Risk of Malignancy According to the Sub-classification of Atypia of Undetermined Significance and Suspicious Follicular Neoplasm Categories in Thyroid Core Needle Biopsies Sae Rom Chung, Jung Hwan Baek, Jeong Hyun Lee, Yu-Mi Lee, Tae-Yon Sung, Ki-Wook Chung, Suck Joon Hong, Min Ji Jeon, Tae Yong Kim, Young Kee Shong, Won Bae Kim, Won Gu Kim, Dong Eun Song Endocrine Pathology.2019; 30(2): 146. CrossRef
Thyroid core needle biopsy: patients’ pain and satisfaction compared to fine needle aspiration Hyo Jin Kim, Yeo Koon Kim, Jae Hoon Moon, June Young Choi, Sang Il Choi Endocrine.2019; 65(2): 365. CrossRef
Does Radiofrequency Ablation Induce Neoplastic Changes in Benign Thyroid Nodules: A Preliminary Study Su Min Ha, Jun Young Shin, Jung Hwan Baek, Dong Eun Song, Sae Rom Chung, Young Jun Choi, Jeong Hyun Lee Endocrinology and Metabolism.2019; 34(2): 169. CrossRef
Differential Diagnosis of Thyroid Follicular Neoplasm from Nodular Hyperplasia by Shear Wave Elastography Myung Hi Yoo, Hye Jeong Kim, In Ho Choi, Ji-Oh Mok, Hyeong Kyu Park, Dong Won Byun, Kyoil Suh Soonchunhyang Medical Science.2019; 25(1): 10. CrossRef
Ultrasound-Guided Core Needle Biopsy Techniques for Intermediate or Low Suspicion Thyroid Nodules: Which Method is Effective for Diagnosis? Soo Yeon Hahn, Jung Hee Shin, Young Lyun Oh, Ko Woon Park Korean Journal of Radiology.2019; 20(10): 1454. CrossRef
Preoperative Diagnostic Categories of Noninvasive Follicular Thyroid Neoplasm with Papillary-Like Nuclear Features in Thyroid Core Needle Biopsy and Its Impact on Risk of Malignancy Hee Young Na, Ji Won Woo, Jae Hoon Moon, June Young Choi, Woo-Jin Jeong, Yeo Koon Kim, Ji-Young Choe, So Yeon Park Endocrine Pathology.2019; 30(4): 329. CrossRef
Utility of a formatted pathologic reporting system in thyroid core needle biopsy: A validation study of 1998 consecutive cases Ji‐Young Choe, Yoonjin Kwak, Mimi Kim, Yul Ri Chung, Hyun Jeong Kim, Yeo Koon Kim, So Yeon Park Clinical Endocrinology.2018; 88(1): 96. CrossRef
Nuclear features of papillary thyroid carcinoma: Comparison of Core needle biopsy and thyroidectomy specimens Jae Yeon Seok, Jungsuk An, Hyun Yee Cho, Younghye Kim, Seung Yeon Ha Annals of Diagnostic Pathology.2018; 32: 35. CrossRef
Prevention of total thyroidectomy in noninvasive follicular thyroid neoplasm with papillary‐like nuclear features (NIFTP) based on combined interpretation of ultrasonographic and cytopathologic results Sung‐Hye You, Kyu Eun Lee, Roh‐Eul Yoo, Hye Jeong Choi, Kyeong Cheon Jung, Jae‐Kyung Won, Koung Mi Kang, Tae Jin Yoon, Seung Hong Choi, Chul‐Ho Sohn, Ji‐hoon Kim Clinical Endocrinology.2018; 88(1): 114. CrossRef
Statement and Recommendations on Interventional Ultrasound as a Thyroid Diagnostic and Treatment Procedure Christoph F. Dietrich, Thomas Müller, Jörg Bojunga, Yi Dong, Giovanni Mauri, Maija Radzina, Manjiri Dighe, Xin-Wu Cui, Frank Grünwald, Andreas Schuler, Andre Ignee, Huedayi Korkusuz Ultrasound in Medicine & Biology.2018; 44(1): 14. CrossRef
Core needle biopsy of thyroid nodules: outcomes and safety from a large single-center single-operator study Jooae Choe, Jung Hwan Baek, Hye Sun Park, Young Jun Choi, Jeong Hyun Lee Acta Radiologica.2018; 59(8): 924. CrossRef
Improvement of diagnostic performance of pathologists by reducing the number of pathologists responsible for thyroid fine needle aspiration cytology: An institutional experience Jae Yeon Seok, Jungsuk An, Hyun Yee Cho Diagnostic Cytopathology.2018; 46(7): 561. CrossRef
Comparison of Immunohistochemistry and Direct Sanger Sequencing for Detection of theBRAFV600EMutation in Thyroid Neoplasm Hye-Seon Oh, Hyemi Kwon, Suyeon Park, Mijin Kim, Min Ji Jeon, Tae Yong Kim, Young Kee Shong, Won Bae Kim, Jene Choi, Won Gu Kim, Dong Eun Song Endocrinology and Metabolism.2018; 33(1): 62. CrossRef
Comparison of the Diagnostic Efficacy of Ultrasound‐Guided Core Needle Biopsy With 18‐ Versus 20‐Gauge Needles for Thyroid Nodules Hye Shin Ahn, Mirinae Seo, Su Min Ha, Hee Sung Kim Journal of Ultrasound in Medicine.2018; 37(11): 2565. CrossRef
Impact of Nodule Size on Malignancy Risk Differs according to the Ultrasonography Pattern of Thyroid Nodules Min Ji Hong, Dong Gyu Na, Jung Hwan Baek, Jin Yong Sung, Ji-Hoon Kim Korean Journal of Radiology.2018; 19(3): 534. CrossRef
Web‐based thyroid imaging reporting and data system: Malignancy risk of atypia of undetermined significance or follicular lesion of undetermined significance thyroid nodules calculated by a combination of ultrasonography features and biopsy results Young Jun Choi, Jung Hwan Baek, Jung Hee Shin, Woo Hyun Shim, Seon‐Ok Kim, Won‐Hong Lee, Dong Eun Song, Tae Yong Kim, Ki‐Wook Chung, Jeong Hyun Lee Head & Neck.2018; 40(9): 1917. CrossRef
Thyroid Incidentalomas Detected on18F-Fluorodeoxyglucose Positron Emission Tomography with Computed Tomography: Malignant Risk Stratification and Management Plan Sae Rom Chung, Young Jun Choi, Chong Hyun Suh, Hwa Jung Kim, Jong Jin Lee, Won Gu Kim, Tae Yon Sung, Yu-mi Lee, Dong Eun Song, Jeong Hyun Lee, Jung Hwan Baek Thyroid.2018; 28(6): 762. CrossRef
The role of core needle biopsy in the diagnosis of initially detected thyroid nodules: a systematic review and meta-analysis Sae Rom Chung, Chong Hyun Suh, Jung Hwan Baek, Young Jun Choi, Jeong Hyun Lee European Radiology.2018; 28(11): 4909. CrossRef
The History of Korean Thyroid Pathology Soon Won Hong, Chan Kwon Jung International Journal of Thyroidology.2018; 11(1): 15. CrossRef
Ultrasonographic Echogenicity and Histopathologic Correlation of Thyroid Nodules in Core Needle Biopsy Specimens Ji-hoon Kim, Dong Gyu Na, Hunkyung Lee Korean Journal of Radiology.2018; 19(4): 673. CrossRef
Evaluation of Modified Core-Needle Biopsy in the Diagnosis of Thyroid Nodules Soomin Ahn, Sejin Jung, Ji-Ye Kim, Jung Hee Shin, Soo Yeon Hahn, Young Lyun Oh Korean Journal of Radiology.2018; 19(4): 656. CrossRef
Role of core needle biopsy as a first-line diagnostic tool for thyroid nodules: a retrospective cohort study Min Ji Hong, Dong Gyu Na, Soo Jin Kim, Dae Sik Kim Ultrasonography.2018; 37(3): 244. CrossRef
Active Surveillance of Low-Risk Papillary Thyroid Microcarcinoma: A Multi-Center Cohort Study in Korea Hye-Seon Oh, Jeonghoon Ha, Hye In Kim, Tae Hyuk Kim, Won Gu Kim, Dong-Jun Lim, Tae Yong Kim, Sun Wook Kim, Won Bae Kim, Young Kee Shong, Jae Hoon Chung, Jung Hwan Baek Thyroid.2018; 28(12): 1587. CrossRef
Risk of malignancy according to sub‐classification of the atypia of undetermined significance or follicular lesion of undetermined significance (AUS/FLUS) category in the Bethesda system for reporting thyroid cytopathology S. J. Kim, J. Roh, J. H. Baek, S. J. Hong, Y. K. Shong, W. B. Kim, D. E. Song Cytopathology.2017; 28(1): 65. CrossRef
Fine-needle aspiration versus core needle biopsy for diagnosis of thyroid malignancy and neoplasm: a matched cohort study Soo-Yeon Kim, Hye Sun Lee, Jieun Moon, Eun-Kyung Kim, Hee Jung Moon, Jung Hyun Yoon, Jin Young Kwak European Radiology.2017; 27(2): 801. CrossRef
Follicular variant of papillary thyroid carcinoma: comparison of ultrasound-guided core needle biopsy and ultrasound-guided fine needle aspiration in a multicentre study Soo Yeon Hahn, Jung Hee Shin, Hyun Kyung Lim, So Lyung Jung Clinical Endocrinology.2017; 86(1): 113. CrossRef
Core‐needle biopsy versus repeat fine‐needle aspiration for thyroid nodules initially read as atypia/follicular lesion of undetermined significance Young Jun Choi, Jung Hwan Baek, Chong Hyun Suh, Woo Hyun Shim, Boseul Jeong, Jae Kyun Kim, Dong Eun Song, Tae Yong Kim, Ki‐Wook Chung, Jeong Hyun Lee Head & Neck.2017; 39(2): 361. CrossRef
Preoperative differentiation between noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) and non-NIFTP Soo Yeon Hahn, Jung Hee Shin, Hyun Kyung Lim, So Lyung Jung, Young Lyun Oh, In Ho Choi, Chan Kwon Jung Clinical Endocrinology.2017; 86(3): 444. CrossRef
Core Needle Biopsy of the Thyroid: 2016 Consensus Statement and Recommendations from Korean Society of Thyroid Radiology Dong Gyu Na, Jung Hwan Baek, So Lyung Jung, Ji-hoon Kim, Jin Yong Sung, Kyu Sun Kim, Jeong Hyun Lee, Jung Hee Shin, Yoon Jung Choi, Eun Ju Ha, Hyun Kyung Lim, Soo Jin Kim, Soo Yeon Hahn, Kwang Hwi Lee, Young Jun Choi, Inyoung Youn, Young Joong Kim, Hye Sh Korean Journal of Radiology.2017; 18(1): 217. CrossRef
First-Line Use of Core Needle Biopsy for High-Yield Preliminary Diagnosis of Thyroid Nodules H.C. Kim, Y.J. Kim, H.Y. Han, J.M. Yi, J.H. Baek, S.Y. Park, J.Y. Seo, K.W. Kim American Journal of Neuroradiology.2017; 38(2): 357. CrossRef
Ultrasound-Pathology Discordant Nodules on Core-Needle Biopsy: Malignancy Risk and Management Strategy Sae Rom Chung, Jung Hwan Baek, Hye Sun Park, Young Jun Choi, Tae-Yon Sung, Dong Eun Song, Tae Yong Kim, Jeong Hyun Lee Thyroid.2017; 27(5): 707. CrossRef
Current status of core needle biopsy of the thyroid Jung Hwan Baek Ultrasonography.2017; 36(2): 83. CrossRef
Cytology-Ultrasonography Risk-Stratification Scoring System Based on Fine-Needle Aspiration Cytology and the Korean-Thyroid Imaging Reporting and Data System Min Ji Hong, Dong Gyu Na, Jung Hwan Baek, Jin Yong Sung, Ji-Hoon Kim Thyroid.2017; 27(7): 953. CrossRef
Preoperative clinicopathological characteristics of patients with solitary encapsulated follicular variants of papillary thyroid carcinomas Hyemi Kwon, Min Ji Jeon, Jong Ho Yoon, Suck Joon Hong, Jeong Hyun Lee, Tae Yong Kim, Young Kee Shong, Won Bae Kim, Won Gu Kim, Dong Eun Song Journal of Surgical Oncology.2017; 116(6): 746. CrossRef
Active Surveillance for Patients With Papillary Thyroid Microcarcinoma: A Single Center’s Experience in Korea Hyemi Kwon, Hye-Seon Oh, Mijin Kim, Suyeon Park, Min Ji Jeon, Won Gu Kim, Won Bae Kim, Young Kee Shong, Dong Eun Song, Jung Hwan Baek, Ki-Wook Chung, Tae Yong Kim The Journal of Clinical Endocrinology & Metabolism.2017; 102(6): 1917. CrossRef
Comparison of Consecutive Results from Fine Needle Aspiration and Core Needle Biopsy in Thyroid Nodules Soon-Hyun Ahn, So-Yeon Park, Sang Il Choi Endocrine Pathology.2017; 28(4): 332. CrossRef
Efficacy and safety of core-needle biopsy in initially detected thyroid nodules via propensity score analysis Chong Hyun Suh, Jung Hwan Baek, Young Jun Choi, Tae Yong Kim, Tae Yon Sung, Dong Eun Song, Jeong Hyun Lee Scientific Reports.2017;[Epub] CrossRef
Comparison of Core-Needle Biopsy and Fine-Needle Aspiration for Evaluating Thyroid Incidentalomas Detected by 18F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography: A Propensity Score Analysis Chong Hyun Suh, Young Jun Choi, Jong Jin Lee, Woo Hyun Shim, Jung Hwan Baek, Han Cheol Chung, Young Kee Shong, Dong Eun Song, Tae Yon Sung, Jeong Hyun Lee Thyroid.2017; 27(10): 1258. CrossRef
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 Journal of Pathology and Translational Medicine.2017; 51(6): 521. CrossRef
Recent Advances in Core Needle Biopsy for Thyroid Nodules Chan Kwon Jung, Jung Hwan Baek Endocrinology and Metabolism.2017; 32(4): 407. CrossRef
Core-needle biopsy for the preoperative diagnosis of follicular neoplasm in thyroid nodule screening: A validation study Sung Hak Lee, Gyeong Sin Park, So Lyung Jung, Min-Hee Kim, Ja Seong Bae, Dong Jun Lim, Chan Kwon Jung Pathology - Research and Practice.2016; 212(1): 44. CrossRef
The Role of Core-Needle Biopsy as a First-Line Diagnostic Tool for Initially Detected Thyroid Nodules Chong Hyun Suh, Jung Hwan Baek, Jeong Hyun Lee, Young Jun Choi, Jae Kyun Kim, Tae-Yon Sung, Jong Ho Yoon, Young Kee Shong Thyroid.2016; 26(3): 395. CrossRef
Thyroid nodules with minimal cystic changes have a low risk of malignancy Dong Gyu Na, Ji-hoon Kim, Dea Sik Kim, Soo Jin Kim Ultrasonography.2016; 35(2): 153. CrossRef
Thyroid nodules with isolated macrocalcification: malignancy risk and diagnostic efficacy of fine-needle aspiration and core needle biopsy Dong Gyu Na, Dae Sik Kim, Soo Jin Kim, Jae Wook Ryoo, So Lyung Jung Ultrasonography.2016; 35(3): 212. CrossRef
Thyroid Imaging Reporting and Data System Risk Stratification of Thyroid Nodules: Categorization Based on Solidity and Echogenicity Dong Gyu Na, Jung Hwan Baek, Jin Yong Sung, Ji-Hoon Kim, Jae Kyun Kim, Young Jun Choi, Hyobin Seo Thyroid.2016; 26(4): 562. CrossRef
Fine‐needle aspiration and core needle biopsy: An update on 2 common minimally invasive tissue sampling modalities Paul A. VanderLaan Cancer Cytopathology.2016; 124(12): 862. CrossRef
The role of core-needle biopsy in the diagnosis of thyroid malignancy in 4580 patients with 4746 thyroid nodules: a systematic review and meta-analysis Chong Hyun Suh, Jung Hwan Baek, Jeong Hyun Lee, Young Jun Choi, Kyung Won Kim, Jayoun Lee, Ki-Wook Chung, Young Kee Shong Endocrine.2016; 54(2): 315. CrossRef
The Role of Core-Needle Biopsy for Thyroid Nodules with Initially Nondiagnostic Fine-Needle Aspiration Results: A Systematic Review and Meta-Analysis Chong Hyun Suh, Jung Hwan Baek, Kyung Won Kim, Tae Yon Sung, Tae Yong Kim, Dong Eun Song, Young Jun Choi, Jeong Hyun Lee Endocrine Practice.2016; 22(6): 679. CrossRef
Should Core Needle Biopsy be Used in the Evaluation of Thyroid Nodules? Beril Guler, Tugce Kiran, Dilek Sema Arici, Erhan Aysan, Fatma Cavide Sonmez Endocrine Pathology.2016; 27(4): 352. CrossRef
A Multicenter Prospective Validation Study for the Korean Thyroid Imaging Reporting and Data System in Patients with Thyroid Nodules Eun Ju Ha, Won-Jin Moon, Dong Gyu Na, Young Hen Lee, Nami Choi, Soo Jin Kim, Jae Kyun Kim Korean Journal of Radiology.2016; 17(5): 811. CrossRef
Impact of Reclassification on Thyroid Nodules with Architectural Atypia: From Non-Invasive Encapsulated Follicular Variant Papillary Thyroid Carcinomas to Non-Invasive Follicular Thyroid Neoplasm with Papillary-Like Nuclear Features Min Ji Jeon, Dong Eun Song, Chan Kwon Jung, Won Gu Kim, Hyemi Kwon, Yu-Mi Lee, Tae-Yon Sung, Jong Ho Yoon, Ki-Wook Chung, Suck Joon Hong, Jung Hwan Baek, Jeong Hyun Lee, Tae Yong Kim, Young Kee Shong, Won Bae Kim, Rafael Rosell PLOS ONE.2016; 11(12): e0167756. CrossRef
We retrospectively reviewed the results of 1,850 fine needle aspiration cytology (FNAC) of thyroid nodules performed from 1990 to 1991 in the Department of Pathology, Seoul National University Hospital. Among 1,528 cases and 322 cases aspirated by clinicians and a pathologist, 465 cases(30.4%) and 13 cases(4.0%) of the aspirates were inadequate, respectively. In 227 cases, correlation of the FNAC diagnosis and histologic diagnosis was done. Excluding the inadequate cases, the sensitivity for the detection of neoplasm(malignancy together with follicular adenoma) was 86.4% and the specificity was 70.7%. The overall diagnostic accuracy was 79.0%. There were 16 false-positive cases(7.0%), and 19 false-negative cases(8.4%). The predictive value of each cytologic diagnosis was 92% in papillary carcinoma, and 100% in Hashimoto's thyroiditis.
The expectancy of malignancy was 52.8% in "suspicious malignancy" and 26.7% in "atypical lesion".
Thymoma is the most common anterior mediastinal tumor in adults. Rarely, it is presented as the anterior neck mass, commonly located in the anterolateral aspect of the neck or adjacent to the thyroid. We experienced two cases of fine needle aspiration cytology of thymoma, mimicking thyroid mass. The first case was an ectopoic cervical thymoma in a 31-year-old female. The fine needle aspiration cytology was misinterpreted as reactive hyperplasia of lymph node. But the histologic diagnosis was thymoma, predominantly lymphocytic type. The second case was an invasive thymoma in a 66-year-old female, who complained a large anterior neck mass. The fine needle aspiration cytology revealed biphasic population of some clusters of epithelial cells and scattered lymphocytes. The cytologic diagnosis was thymoma and was confirmed as invasive thymoma after the biopsy. Therefore, when the cytologic feature of anterior neck mass shows the both lymphocyte and epithelial component, the differential diagnosis should include the possibility of thymoma.
Thyroglossal duct cysts develop in the persistent remnants of the thyroglossal tract between the origin of the thyroid at the foramen cecum and the final position of the thyroid gland. Thyroglossal duct cyst can present anywhere from the base of the tongue to the manubrium, but its occurrence within the thyroid gland is very rare. We report here on a 41-year-old woman who presented with a cystic thyroid nodule that was due to an intrathyroid thyroglossal duct cyst. The sonogram, showed a hypoechoic nodule that measured 0.7 x 0.6 cm in the left thyroid lobe. Left lobectomy of the thyroid gland was performed and microscopic examination revealed a cyst lined by non-keratinized squamous epithelium, which was consistent with a thyroglossal duct cyst in the thyroid gland. Intrathyroid thyroglossal duct cyst should be considered in the differential diagnosis of a cystic thyroid nodule. This is the first reported case of a intrathyroid thyroglossal duct cyst in a Korean adult.