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The Korean Journal of Pathology 2010;44(6): 651-656.
doi: https://doi.org/10.4132/KoreanJPathol.2010.44.6.651
Comparison of Liquid-based (SurePath(TM)) and Conventional Preparations in Thyroid Fine Needle Aspiration.
Seoung Wan Chae, Sun Hee Kim, Hee Dae Park, Woon Sun Park, Young Hye Cho, Sung Hee Kang, Dong Hoon Kim, Jin Hee Sohn
Department of Pathology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea. jhpath.sohn@samsung.com
BACKGROUND: The aim of this study was to evaluate differences in cytologic findings between conventional preparation (CP) and SurePath(TM) liquid-based preparation (LBP) in thyroid fine needle aspiration (FNA). METHODS: We analyzed cytological features on a total of 182 thyroid FNAs (83 CP and 99 LBP) that were histologically confirmed as nodular hyperplasia (NH) or papillary carcinoma (PAC). RESULTS: LBP was superior in cellular preservation and cellularity than CP. Interestingly, in LBP, cellularity of NH was similarly high compared to that of PAC. The three-dimensional pattern was more prominent in LBP than in CP. The presence of follicle structures was more frequently found in LBP than in CP in the PAC group. Dispersed single cells in the background were more prominent in LBP than in CP. In the PAC group, contrast of the nuclear membrane was more distinctive in CP than in LBP. CONCLUSIONS: In thyroid FNA, LBP is better for cellular preservation, cellularity, background and nuclear detail than CP. However, some features in LBP such as high cellularity in NH, prominent dispersed single cells, and frequent follicle patterns were unfamiliar findings in CP. Hence, we should be aware of these cytomorphologic features in LBP to make a proper diagnosis.
Key Words: Thyroid gland; Biopsy, fine-needle; SurePath