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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
Headache and vasculitis
J Ivan Lopez1, Ashley Holdridge, Julio Chalela
1Renown Institute for Neurosciences, 85 Kirman Avenue, Suite 301, Reno, NV 89502, USA. jlopez@renown.org
Insights
Headaches from central nervous system (CNS) vasculitis are uncommon. Differentiating true vasculitis from reversible cerebral vasoconstriction syndrome (RCVS) is crucial, as treatments differ significantly.
Area of Science:
- Neurology
- Vascular Medicine
- Immunology
Background:
- Headaches are a common symptom with diverse etiologies.
- Headaches caused by inflammation of central nervous system (CNS) blood vessels (vasculitis) are less frequent.
- Distinguishing CNS vasculitis from reversible cerebral vasoconstriction syndrome (RCVS) is critical due to differing treatment implications.
Purpose of the Study:
- To highlight the importance of accurate diagnosis in headaches secondary to CNS vasculitis.
- To differentiate between primary CNS vasculitis and RCVS.
- To emphasize the need for appropriate diagnostic strategies to guide treatment.
Main Methods:
- Review of common vasculitic conditions associated with headaches.
- Comparison of diagnostic criteria for CNS vasculitis and RCVS.
- Discussion of therapeutic implications based on differential diagnosis.
Main Results:
- Primary CNS vasculitis, systemic necrotizing arteritis, granulomatous vasculitis, and systemic collagen diseases are key vasculitides causing headaches.
- RCVS presents a diagnostic challenge and requires distinct management from true vasculitides.
- Anti-inflammatory treatments beneficial for vasculitis can be detrimental in RCVS.
Conclusions:
- Accurate differentiation between CNS vasculitis and RCVS is paramount for effective patient management.
- Clinicians must utilize imaging and laboratory data judiciously to establish the correct diagnosis.
- Tailored treatment based on precise diagnosis improves patient outcomes and avoids complications.
Abstract:
Although headaches are common in the general population and have many causes, headaches secondary to inflammatory processes in the blood vessels in the Central Nervous System (CNS) are not so common. The most common types of vasculitis that are associated with headaches include primary CNS vasculitis, systemic necrotizing arteritis, granulomatous vasculitis, and systemic collagen diseases. It is important to differentiate between "true" vasculitides and a condition known and reversible cerebral vasoconstriction syndrome (RCVS). While treatment for many of the vasculitides consists of anti-inflammatory medications, this approach may produce significant complications in RCVS. It is up to the clinician to judiciously use imaging and laboratory data to reach the proper diagnosis and therefore offer the correct treatment to these patients.
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