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An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
Published on: February 8, 2019
Giant-cell arteritis
1Neuroophthalmology Service, Wills Eye Institute, Philadelphia, Pennsylvania 19107, USA. jkhall30@hotmail.com
Insights
Giant-cell arteritis diagnosis is improving with new imaging and blood tests. Treatment strategies using intravenous steroids, methotrexate, or aspirin may reduce complications from the disease and its treatment.
Area of Science:
- Rheumatology
- Internal Medicine
- Vascular Inflammation
Background:
- Giant-cell arteritis (GCA) presents diagnostic and therapeutic challenges.
- Accurate diagnosis and effective management are crucial to prevent severe complications.
Purpose of the Study:
- To summarize recent advancements in the diagnosis and treatment of GCA.
- To highlight emerging serologic markers and imaging techniques for GCA diagnosis.
- To review updated therapeutic strategies for GCA management.
Main Methods:
- Review of recent investigations and literature on GCA diagnosis and treatment.
- Analysis of serologic markers including erythrocyte-sedimentation rate, C-reactive protein, platelet count, interleukin-6, and fibrinogen.
- Evaluation of advanced imaging modalities such as high-resolution MRI/angiography, FDG-PET, and Doppler ultrasonography.
- Assessment of treatment modifications including intravenous steroids, methotrexate, and aspirin.
Main Results:
- Enhanced diagnostic accuracy through novel serologic markers and advanced imaging techniques.
- Interleukin-6 and fibrinogen offer supplementary diagnostic information beyond standard markers.
- High-resolution MRI/angiography, FDG-PET, and Doppler ultrasonography provide valuable diagnostic findings.
- Intravenous steroids may offer a steroid-sparing benefit.
- Adjunctive methotrexate and aspirin show potential in reducing GCA-related morbidity and treatment side effects.
Conclusions:
- An expanded array of imaging and serologic tools aids in diagnosing challenging GCA cases.
- Treatment modifications, including initial intravenous steroids and adjunctive methotrexate or aspirin, can mitigate disease and treatment-related morbidity.
Purpose Of Review:
Giant-cell arteritis frequently poses diagnostic and therapeutic challenges. This article summarizes recent investigations concerning diagnosis and treatment of giant-cell arteritis.
Recent Findings:
Efforts to improve diagnostic accuracy have centered on serologic markers and imaging techniques. Although the erythrocyte-sedimentation rate, C-reactive protein, and platelet count continue to be the primary markers, others such as interleukin-6 and fibrinogen can provide additional information. High-resolution magnetic resonance imaging and angiography, fluorine-18-fluorodeoxyglucose positron emission tomography, and color Doppler ultrasonography can show findings relevant to the diagnosis of giant-cell arteritis. Recent inquiries suggest a steroid-sparing benefit from initiation of treatment with intravenous steroids. Adjunctive treatment with methotrexate may also provide this benefit. Aspirin appears to decrease likelihood of stroke or visual loss in giant-cell arteritis without increasing bleeding complications.
Summary:
An expanded repertoire of imaging techniques and serologic markers may supply information relevant to the diagnosis of challenging cases of giant-cell arteritis. Treatment modifications, including initiation with intravenous steroids, or addition of methotrexate or aspirin to the regimen, may decrease morbidity from disease, corticosteroid treatment or both.
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