Rates of Thy 1-non-diagnostic thyroid fine needle aspiration using the UK Royal College of Pathologists Thy Terminology. A systematic review of the literature comparing patients who undergo rapid on-site evaluation and those who do not.

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    • Source:
      Publisher: Blackwell Scientific Publications Country of Publication: England NLM ID: 9010345 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1365-2303 (Electronic) Linking ISSN: 09565507 NLM ISO Abbreviation: Cytopathology Subsets: MEDLINE
    • Publication Information:
      Original Publication: Oxford : Blackwell Scientific Publications, c1990-
    • Subject Terms:
      Cytodiagnosis*; Biopsy, Fine-Needle/*trends ; Thyroid Neoplasms/*diagnosis ; Thyroid Nodule/*diagnosis; Female ; Humans ; Ireland/epidemiology ; Italy/epidemiology ; Male ; Pathologists ; Thyroid Gland/diagnostic imaging ; Thyroid Gland/pathology ; Thyroid Neoplasms/diagnostic imaging ; Thyroid Neoplasms/epidemiology ; Thyroid Neoplasms/pathology ; Thyroid Nodule/diagnostic imaging ; Thyroid Nodule/epidemiology ; Thyroid Nodule/pathology ; United Kingdom/epidemiology
    • Abstract:
      Introduction: The UK Royal College of Pathologists (RCPath) Thy terminology is an internationally recognised system for reporting thyroid fine needle aspiration. The terminology has been used throughout the UK and Ireland, in some parts of Italy and Switzerland, and elsewhere in the world. There is no systematic review of the literature specifically addressing the use of the non-diagnostic for cytological diagnosis-Thy1/Thy 1c category in the UK RCPath terminology.
      Methods: A comprehensive literature search of online databases was conducted in October 2019 specifically examining overall reported rates of Thy1 and Thy1c in aspirates classified according to the UK Thy terminology.
      Results: Twenty-five articles were identified showing a Thy1 rate of 13.4% (2540/18 920). The studies were then stratified according to whether or not the patients underwent rapid on-site evaluation (ROSE): 6.0% (353/5841; range 3.0%-10.9%) of ROSE aspirates were Thy1 whereas 18.5% (2072/11 204; range 7.9%-43.3%) of non-ROSE patients were Thy1; (P < .05). Three studies from 2016 reported Thy1c rates of 5.4%, 6.5% and 10.6%, respectively, implying Thy1 rates excluding Thy1c aspirates of 20.9%, 8.7% and 12.7%, respectively.
      Conclusion: This systematic review of the literature shows relatively high rates of aspirates non-diagnostic for cytological diagnosis-Thy1 in the peer-reviewed published literature using the UK terminology. Utilisation of ROSE appears to produce lower rates of Thy1 aspirates and ROSE should be considered if rates of non-diagnostic for cytological diagnosis-Thy1/Thy 1c are high.
      (© 2020 John Wiley & Sons Ltd.)
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    • Contributed Indexing:
      Keywords: Thy terminology; UK; cytology; inadequate; rapid on-site evaluation; thyroid
    • Publication Date:
      Date Created: 20200201 Date Completed: 20210812 Latest Revision: 20210812
    • Publication Date:
      20231215
    • Accession Number:
      10.1111/cyt.12804
    • Accession Number:
      32003044