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Updated: Jul 6, 2026
An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
Published on: February 8, 2019
[Usefulness of antineutrophil cytoplamic antibodies in giant cell arteritis]
H Gil1, F Mauny, N Meaux-Ruault
1Service de médecine interne, CHU Jean-Minjoz, Besançon, France. hgil@chu-besancon.fr
Insights
Antineutrophil cytoplasmic antibody (ANCA) detection in giant cell arteritis patients may predict earlier relapse. ANCA-positive individuals require closer monitoring for timely intervention.
Area of Science:
- Rheumatology
- Immunology
Context:
- Giant cell arteritis (GCA) is a systemic vasculitis.
- The role of antineutrophil cytoplasmic antibodies (ANCA) in GCA pathogenesis and clinical course remains unclear.
Purpose:
- To determine the frequency of ANCA in patients with giant cell arteritis.
- To evaluate the impact of ANCA on the disease course and relapse patterns in GCA.
Summary:
- Thirty GCA patients were assessed for ANCA.
- ANCA positivity was observed in 30% of patients.
- No significant differences in clinical/biological data or relapse numbers were found between ANCA-positive and ANCA-negative groups, but relapses occurred significantly earlier in ANCA-positive patients (6 vs. 31.5 months).
Impact:
- ANCA detection in GCA may indicate an increased risk of premature relapse.
- This finding suggests that ANCA-positive GCA patients may benefit from intensified monitoring and prompt management strategies.
Purpose:
The relevance of antineutrophil cytoplasmic antibody (ANCA) during giant cell arteritis is not established. The purpose of our study was to estimate the ANCA frequency and their impact on disease course of giant cell arteritis.
Methods:
Thirty patients were followed-up for giant cell arteritis and had a detection of ANCA.
Results:
Nine patient had positive ANCA (30%). These patients had no significant differences regarding clinical and biological data or number of relapses in comparison with patients having negative ANCA testing. However, the relapse occurred earlier in the presence of ANCA (six months versus 31.5 months).
Conclusion:
In giant cell arteritis, detection of ANCA seems predictive of a premature relapse and should be associated with an acute monitoring of ANCA positive patients.
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