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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
[Takayasu's arteritis]
Alexis F Guédon1, Raphaël Bourgade2, Mounia Elhannani2
1Sorbonne université, service de médecine interne, et Inflammation- Immunopathology Biotherapy Department (DMU 3iD), hôpital Saint-Antoine, AP-HP, Paris, France.
Insights
Takayasu's arteritis is a rare inflammatory disease affecting large arteries like the aorta. Diagnosis involves clinical, biological, and imaging findings, with treatment including corticosteroids and immunosuppressants.
Area of Science:
- Vascular Inflammation
- Immunology
- Rheumatology
Context:
- Takayasu's arteritis is a rare inflammatory condition affecting large arteries, primarily the aorta and its branches.
- It disproportionately affects women and presents in two distinct phases: an initial inflammatory stage and a later occlusive stage.
Purpose:
- To provide a comprehensive overview of Takayasu's arteritis, covering its epidemiology, clinical presentation, diagnostic methods, and therapeutic strategies.
- To highlight the importance of early diagnosis and management of this rare vasculitis.
Summary:
- This condition involves panarteritis of large vessels, leading to stenosis, occlusion, or aneurysms and subsequent ischemic symptoms.
- Pathological examination reveals granulomatous panarteritis, predominantly in the medial-adventitial layers.
- Diagnosis relies on a combination of clinical presentation, biological markers, and imaging studies.
Impact:
- Facilitates understanding of Takayasu's arteritis for clinicians and researchers.
- Emphasizes the need for multidisciplinary management, including cardiovascular risk factor control and treatment of vascular complications.
- Contributes to improved patient outcomes through timely diagnosis and appropriate therapeutic interventions.
Abstract:
TAKAYASU'S ARTERITIS. Takayasu's arteritis is an inflammatory panarteritis of the large vessels, preferentially affecting the aorta, its main branches, and the pulmonary arteries. Its incidence is estimated at 1.11 cases per million person-years, with a female predominance. The disease is classically characterized by the succession of two phases: a pre-occlusive inflammatory phase that may go unnoticed and an occlusive phase characterized by ischemic vascular symptoms because of parietal arterial lesions such as stenosis, occlusion or aneurysm. The diagnosis is based on clinical, biological and morphological findings. When available, pathological examination reveals a predominantly medial-adventitial, segmental and focal granulomatous panarteritis. Treatment consists of administering corticosteroid therapy and often immunosuppressants, or even biotherapies, managing cardiovascular risk factors, and managing vascular complications.
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