Standardization and Quality Assessment Under the Perspective of Automated Computer-Assisted HEp-2 Immunofluorescence Assay Systems

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Abstract

The recent availability of automated computer-assisted diagnosis (CAD) systems for the reading and interpretation of the anti-nuclear antibody (ANA) test performed with the indirect immunofluorescence (IIF) method on HEp-2 cells, has improved the reproducibility of the results and initiated a process of harmonization of this test. Furthermore, CAD systems provide quantitative expression of fluorescence intensity, allowing the introduction of objective quality control procedures to the monitoring of the entire process. The calibration of the reading systems and the automated image interpretation are essential prerequisites for obtaining reproducible and harmonized IIF test results and form the basis for standardization, regardless of the computer algorithms used in the different systems. The use of automated CAD systems, facilitating control procedures, represents a step forward for the quality certification of the laboratory.

Original languageEnglish
Article number638863
JournalFrontiers in Immunology
Volume12
DOIs
Publication statusPublished - Feb 25 2021

Keywords

  • anti-nuclear antibodies
  • automation
  • computer-assisted systems
  • harmonization
  • immunofluorescence
  • standardization

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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