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Related Concept Videos

Arteries of the Head and Neck01:26

Arteries of the Head and Neck

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The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
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The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
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Related Experiment Video

Updated: Jun 29, 2025

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
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Cranial involvement in giant cell arteritis.

Philipp Bosch1, Georgina Espigol-Frigolé2, Maria C Cid2

  • 1Department of Rheumatology and Immunology, Medical University of Graz, Graz, Austria.

The Lancet. Rheumatology
|April 4, 2024
PubMed
Summary
This summary is machine-generated.

Giant cell arteritis research has improved diagnosis and management. Current studies focus on large vessel involvement, new therapies to reduce steroid use, and updated clinical guidelines.

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Area of Science:

  • Rheumatology
  • Vascular Medicine
  • Internal Medicine

Background:

  • Giant cell arteritis (GCA) is a vasculitis affecting large arteries, primarily the aorta and its branches.
  • Historically diagnosed based on cranial artery involvement, GCA is now recognized to frequently impact extracranial large vessels.
  • Advances in understanding GCA pathophysiology have spurred the development of novel therapeutic strategies.

Purpose of the Study:

  • To review the current understanding of giant cell arteritis, focusing on cranial manifestations.
  • To outline the contemporary clinical approach to diagnosing and managing GCA.
  • To explore emerging research and future directions in GCA patient care.

Main Methods:

  • Literature review of recent advancements in GCA research.
  • Analysis of updated classification criteria and management recommendations.
  • Synthesis of basic, translational, and clinical research findings.

Main Results:

  • Significant progress in GCA diagnosis and patient management since 1890.
  • Recognition of widespread large vessel involvement in GCA beyond cranial arteries.
  • Development of new therapeutic agents aiming to minimize glucocorticoid dependence and prevent disease flares.

Conclusions:

  • GCA is a complex vasculitis with significant large vessel implications.
  • Updated guidelines and novel therapies are transforming GCA management.
  • Ongoing research promises further improvements in GCA treatment and patient outcomes.