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Author

Leticia Paz

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Oct 2026

B-141 Antinuclear Antibody (ANA) HEp-2 Immunofluorescence Pattern Distribution in a Large Brazilian Laboratory Cohort: A Ten-Year Retrospective Study

Antinuclear antibody (ANA) testing by indirect immunofluorescence (IIF) on HEp-2 cells remains the reference screening method for suspected systemic autoimmune rheumatic diseases (SARD). Beyond semi-quantitative titers, HEp-2 IIF provides clinically informative fluorescence patterns that support differential diag...

Clara Arraes, Leticia Paz, L. Masullo et al. · 0 citations

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