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Thyroid FNA Cytology pp 27–36Cite as

False Positive in Thyroid FNA: Causes and How to Avoid Them

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Abstract

Fine needle aspiration (FNA) of thyroid has been used for years in a multidisciplinary approach, to diagnose different entities, in preventing over- or under-treatment of thyroid nodules. This method has a widespread use around the globe. In this chapter, we aimed to focus on false-positive results in the evaluation of thyroid aspirations, covering cystic, inflammatory lesions, follicular lesions, oncocytic lesions, papillary carcinoma, and medullary carcinoma of thyroid. The recently described entity, “noninvasive follicular thyroid neoplasm with papillary-like nuclear features” (NIFTP), is also covered as well as the discussion about the impact of its introduction in the sensitivity and specificity of thyroid FNA.

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Author information

Authors and Affiliations

  1. Department of Pathology, Medical Faculty of Porto University, Porto, Portugal

    Fernando Schmitt

  2. Molecular Pathology Unit, Institute of Pathology and Molecular Immunology of Porto University, IPATIMUP, Porto, Portugal

    Fernando Schmitt

  3. International Academy of Cytology, Porto, Portugal

    Fernando Schmitt

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  1. Fernando Schmitt
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Correspondence to Fernando Schmitt .

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Editors and Affiliations

  1. Faculty of Medicine, Nara Hospital, Kindai University, Ikoma, Japan

    Kennichi Kakudo

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Schmitt, F. (2019). False Positive in Thyroid FNA: Causes and How to Avoid Them. In: Kakudo, K. (eds) Thyroid FNA Cytology. Springer, Singapore. https://doi.org/10.1007/978-981-13-1897-9_3

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  • DOI: https://doi.org/10.1007/978-981-13-1897-9_3

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-1896-2

  • Online ISBN: 978-981-13-1897-9

  • eBook Packages: MedicineMedicine (R0)

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