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Interobserver variability in cytopathology: How much do we agree?

Gennaro Acanfora1, Anna Maria Carillo1, Filippo Dello Iacovo1

  • 1Department of Public Health, University of Naples, 'Federico II', Naples, Italy.

Cytopathology : Official Journal of the British Society for Clinical Cytology
|March 27, 2024
PubMed
Summary

Interobserver variability in cytopathology poses challenges, especially with atypical samples. This review examines agreement levels across anatomical sites, highlighting diagnostic inconsistencies.

Keywords:
cytologyinterobserversalivary glandsalivary gland cytologythyroid cytologyvariability

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Area of Science:

  • Cytopathology
  • Pathology
  • Medical Diagnostics

Background:

  • Interobserver variability is a persistent issue in cytopathology.
  • Standardized reporting systems aim to improve consistency but face challenges.
  • Diagnostic interpretation of atypical and suspicious samples shows high variability.

Purpose of the Study:

  • To review the current landscape of interobserver agreement in cytopathology.
  • To explore variability across different anatomical sites.
  • To identify challenges in achieving consistent diagnostic interpretations.

Main Methods:

  • Literature review of studies on interobserver agreement in cytopathology.
  • Analysis of agreement levels based on anatomical site.
  • Synthesis of findings regarding diagnostic consistency.

Main Results:

  • Moderate-to-good agreement is observed in straightforward benign versus malignant diagnoses.
  • High variability persists in the interpretation of atypical and suspicious cytological samples.
  • Agreement levels differ significantly across various anatomical locations.

Conclusions:

  • Interobserver variability remains a significant challenge in cytopathology, impacting diagnostic reliability.
  • Addressing variability in atypical and suspicious cases is crucial for consistent patient care.
  • Further research is needed to standardize interpretation across all anatomical sites.