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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
Mega-aorta syndrome development in giant cell arteritis. A same entity?
Emiliano A Rodríguez-Caulo1, Carlos J Velázquez, Mariano García-Borbolla
1Department of Cardiovascular Surgery, Virgen Macarena Universitary Hospital, Sevilla, Spain. erodriguezcaulo@hotmail.com
Annals of Vascular Surgery
|October 26, 2011
Summary
Giant cell arteritis (GCA), a common large vessel vasculitis, can lead to undetected aortic inflammation. This case highlights the rare development of mega-aorta syndrome with chronic aortic dissection in a patient with prior GCA diagnosis.
Area of Science:
- Rheumatology
- Cardiology
- Vascular Surgery
Background:
- Giant cell arteritis (GCA) is the most prevalent form of large vessel vasculitis.
- While typically affecting cranial arteries, GCA is a significant cause of inflammatory aortitis.
- Aortic involvement in GCA often remains clinically silent and undiagnosed.
Observation:
- An 81-year-old male with a history of GCA (diagnosed via temporal artery biopsy 6 years prior) presented with headache and severe chest pain.
- Computed tomography (CT) revealed extensive aortic dilation consistent with mega-aorta syndrome.
- The imaging demonstrated a chronic type B aortic dissection with significant aortic diameters.
Findings:
- This is the first reported case of mega-aorta syndrome associated with GCA in a patient with a confirmed temporal artery biopsy diagnosis.
- The findings suggest a potential, albeit rare, long-term complication of GCA involving extensive aortic remodeling.
- The case underscores the importance of considering aortic pathology in GCA patients, even years after initial diagnosis.
Implications:
- This case expands the spectrum of known aortic complications associated with Giant Cell Arteritis.
- It emphasizes the need for vigilant cardiovascular monitoring in patients diagnosed with GCA.
- Further research may elucidate the mechanisms linking GCA to progressive aortic dilation and dissection.
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