Ultrasound-guided fine-needle aspiration (FNA) cytology is the most widely used screening and diagnostic method for thyroid nodules. Although Western guidelines for managing thyroid nodules and the Bethesda System for Reporting Thyroid Cytopathology are widely available throughout Asia, the clinical practices in Asia vary from those of Western countries. Accordingly, the Working Group of Asian Thyroid FNA Cytology encouraged group members to publish their works jointly with the same topic. The articles in this special issue focused on the history of thyroid FNA, FNA performers and interpreters, training programs of cytopathologists and cytotechnicians, staining methods, the reporting system of thyroid FNA, quality assurance programs, ancillary testing, and literature review of their own country’s products. Herein, we provide a brief overview of thyroid FNA practices in China, India, Japan, Korea, the Philippines, Taiwan, and Thailand.
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Fine-needle Aspiration Washout Precipitation Specimens: An Acceptable Supplement to Genetic Mutation Detection of Thyroid Nodules Yongmei Cui, Xiangqi Huang, Jinrui Guo, Nana Zhang, Jing Liang, Yiwang Zhang, Yueting Liao, Dan He Technology in Cancer Research & Treatment.2021;[Epub] CrossRef
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Noninvasive Follicular Thyroid Neoplasm with Papillary-Like Nuclear Features in Asian Practice: Perspectives for Surgical Pathology and Cytopathology Andrey Bychkov, Chan Kwon Jung, Zhiyan Liu, Kennichi Kakudo Endocrine Pathology.2018; 29(3): 276. CrossRef
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Tissue array consists of a slide containing hundreds or thousands of cases, making this method useful for rapid analysis of molecular markers in a large number of cases.
The method significantly facilitates and accelerates the clinicopathologic analysis of cancer. To maximize the efficacy of the tissue array method in pathologic study, the pros and cons of this method should be understood. In this review, the history and a detailed method of tissue array production is described, emphasizing the advantage of the large core size (2.0 mm). Some methological points, including slide storage, microtoming, core size, reliability, and data analysis, are discussed.