Related Experiment Video

Updated: Jul 19, 2026

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
06:35

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

Todd J Schwedt1, David W Dodick, Richard J Caselli

  • 1Washington University School of Medicine, Department of Neurology, 660 South Euclid Avenue, Campus Box 8111, St. Louis, MO 63110, USA. schwedtt@neuro.wustl.edu.

Current Pain and Headache Reports
|November 8, 2006
PubMed

Insights

Giant cell arteritis, a vasculitis affecting large arteries, typically presents in older adults with headache and elevated inflammatory markers. Temporal artery biopsy remains the gold standard for diagnosis, crucial for timely corticosteroid treatment to prevent vision loss and stroke.

Area of Science:

  • Rheumatology
  • Vasculitis
  • Internal Medicine

Background:

  • Giant cell arteritis (GCA) is a vasculitis affecting medium and large arteries.
  • It predominantly impacts vessels originating from the aortic arch.
  • GCA classically presents in elderly patients with new-onset headache, temporal artery abnormalities, and elevated inflammatory markers.

Purpose of the Study:

  • To summarize the key aspects of giant cell arteritis diagnosis and management.
  • To emphasize the importance of clinical suspicion and diagnostic criteria.
  • To highlight the necessity of prompt treatment to prevent severe complications.

Main Methods:

  • Clinical presentation review
  • Diagnostic criteria evaluation
  • Histologic confirmation via temporal artery biopsy
  • Treatment strategies discussion

Main Results:

  • Clinical suspicion should be guided by patient age, symptoms, and lab results.
  • Temporal artery biopsy is the gold standard for definitive diagnosis.
  • Early corticosteroid therapy is critical for preventing permanent sequelae.

Conclusions:

  • Giant cell arteritis requires high clinical suspicion in the appropriate demographic.
  • Accurate diagnosis, often requiring biopsy, is essential.
  • Prompt corticosteroid treatment is vital to avert irreversible complications like vision loss and stroke.

More Related Videos

Mouse Models for Graft Arteriosclerosis07:37

Mouse Models for Graft Arteriosclerosis

Published on: May 14, 2013

Related Concept Videos

Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
Chronic Inflammation: Introduction01:12

Chronic Inflammation: Introduction

Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
Hypersensitivity Reactions: Immune-Complex Reactions01:19

Hypersensitivity Reactions: Immune-Complex Reactions

Type III hypersensitivity reactions occur when antigen–antibody complexes form and activate the complement system. Normally, these complexes help the clearance of antigens by phagocytes and red blood cells. However, when large numbers of immune complexes are present, they can deposit in tissues—particularly in the walls of blood vessels—leading to inflammation and tissue injury. These deposits trigger complement activation and neutrophil recruitment, resulting in serum sickness, a systemic...