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2 "Fine needle aspiration (FNA)"
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The Asian Thyroid Working Group, from 2017 to 2023
Kennichi Kakudo, Chan Kwon Jung, Zhiyan Liu, Mitsuyoshi Hirokawa, Andrey Bychkov, Huy Gia Vuong, Somboon Keelawat, Radhika Srinivasan, Jen-Fan Hang, Chiung-Ru Lai
J Pathol Transl Med. 2023;57(6):289-304.   Published online November 14, 2023
DOI: https://doi.org/10.4132/jptm.2023.10.04
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  • 8 Web of Science
  • 8 Crossref
AbstractAbstract PDFSupplementary Material
The Asian Thyroid Working Group was founded in 2017 at the 12th Asia Oceania Thyroid Association (AOTA) Congress in Busan, Korea. This group activity aims to characterize Asian thyroid nodule practice and establish strict diagnostic criteria for thyroid carcinomas, a reporting system for thyroid fine needle aspiration cytology without the aid of gene panel tests, and new clinical guidelines appropriate to conservative Asian thyroid nodule practice based on scientific evidence obtained from Asian patient cohorts. Asian thyroid nodule practice is usually designed for patient-centered clinical practice, which is based on the Hippocratic Oath, “First do not harm patients,” and an oriental filial piety “Do not harm one’s own body because it is a precious gift from parents,” which is remote from defensive medical practice in the West where physicians, including pathologists, suffer from severe malpractice climate. Furthermore, Asian practice emphasizes the importance of resource management in navigating the overdiagnosis of low-risk thyroid carcinomas. This article summarizes the Asian Thyroid Working Group activities in the past 7 years, from 2017 to 2023, highlighting the diversity of thyroid nodule practice between Asia and the West and the background reasons why Asian clinicians and pathologists modified Western systems significantly.

Citations

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  • Risk of Infertility in Reproductive-Age Patients With Thyroid Cancer Receiving or Not Receiving 131I Treatment
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    Clinical Nuclear Medicine.2025; 50(3): 201.     CrossRef
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    Sang Yi Moon, Minkook Son, Jung-Hwan Cho, Hye In Kim, Ji Min Han, Ji Cheol Bae, Sunghwan Suh
    Thyroid®.2025; 35(1): 79.     CrossRef
  • Letter to Editor: “High Rates of Unnecessary Surgery for Indeterminate Thyroid Nodules in the Absence of Molecular Test and the Cost-Effectiveness of Utilizing Molecular Test in an Asian Population: A Decision Analysis” by Fung et al.
    Kennichi Kakudo, Andrey Bychkov, Jen-Fan Hang, Mitsuyoshi Hirokawa, Somboon Keelawat, Zhiyan Liu, Radhika Srinivasan, Chan Kwon Jung
    Thyroid®.2025;[Epub]     CrossRef
  • Thyroid Nodules with Nuclear Atypia of Undetermined Significance (AUS-Nuclear) Hold a Two-Times-Higher Risk of Malignancy than AUS-Other Nodules Regardless of EU-TIRADS Class of the Nodule or Borderline Tumor Interpretation
    Dorota Słowińska-Klencka, Bożena Popowicz, Joanna Duda-Szymańska, Mariusz Klencki
    Cancers.2025; 17(8): 1365.     CrossRef
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    Rita Luis, Balamurugan Thirunavukkarasu, Deepali Jain, Sule Canberk
    Journal of Pathology and Translational Medicine.2024; 58(4): 165.     CrossRef
  • Are we ready to bridge classification systems? A comprehensive review of different reporting systems in thyroid cytology
    Esther Diana Rossi, Liron Pantanowitz
    Cytopathology.2024; 35(6): 674.     CrossRef
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    Maria Boudina, Eleana Zisimopoulou, Persefoni Xirou, Alexandra Chrisoulidou
    Journal of Clinical Medicine.2024; 13(20): 6119.     CrossRef
  • Fine needle aspiration cytology diagnoses of follicular thyroid carcinoma: results from a multicenter study in Asia
    Hee Young Na, Miyoko Higuchi, Shinya Satoh, Kaori Kameyama, Chan Kwon Jung, Su-Jin Shin, Shipra Agarwal, Jen-Fan Hang, Yun Zhu, Zhiyan Liu, Andrey Bychkov, Kennichi Kakudo, So Yeon Park
    Journal of Pathology and Translational Medicine.2024; 58(6): 331.     CrossRef
Differential Diagnosis of Fine Needle Aspiration Cytology of Benign Lymphadenopathy.
Eun Mee Han, Dong Eun Song, Dae Un Eom, Hye Jeong Choi, Hee Jeong Cha, Jooryung Huh
Korean J Cytopathol. 2006;17(2):99-107.
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  • 30 Download
AbstractAbstract PDF
In the investigation of superficial lymphadenopathy of unknown cause, fine needle aspiration (FNA) cytology plays an invaluable role. It enables the differentiation of benign lymphadenopathy from lymphoid and non-lymphoid malignancies, obviating the need for open biopsy, and allowing the triage of patients. Cytopathologists should be familiar with the typical FNA patterns of benign lymphadenopathy, and recognize and differentiate among categories. In a minority of cases of benign lymphadenopathy, FNA can render a specific diagnosis. Benign lymphadenopathies are generally categorized into reactive lymphoid hyperplasia (RLH), inflammatory or infectious processes, and benign lymphoproliferative disorders. RLH characteristically presents with a heterogeneous and polymorphous smear composed of normal cellular constituents of lymph nodes, in contrast with the homogeneous or monomorphic smear of most lymphomas. The caveat is that various malignant disorders may also present with polymorphous populations. It is also important to recognize thatbenign lymphoid smears may sometimes contain atypical cells that raise the suspicion of malignancy. Clinical information should always be the integral part of the diagnostic criteria in FNA of lymphadenopathy. If there is any doubt about the benign nature of the smear, it is prudent to suggest biopsy and ancillary studies.

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