Related Experiment Video
Updated: Jun 3, 2026
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: suspect it, treat it promptly
1Department of Rheumatic and Immunologic Disease, Cleveland Clinic, OH 44195, USA. villaa@ccf.org
Cleveland Clinic Journal of Medicine
|April 5, 2011
Summary
Giant cell arteritis, a common vasculitis in older adults, requires consideration for new headaches, vision issues, or polymyalgia rheumatica. Prompt diagnosis and awareness of varied symptoms and lab findings are crucial for effective management.
Area of Science:
- Rheumatology
- Internal Medicine
- Vascular Medicine
Background:
- Giant cell arteritis (GCA) is the most frequent vasculitis in individuals over 50.
- Early diagnosis is critical to prevent irreversible complications such as vision loss.
Purpose of the Study:
- To highlight the diverse clinical presentations of GCA.
- To emphasize the importance of considering GCA in elderly patients with specific symptoms.
- To inform physicians about associated abnormal laboratory findings.
Main Methods:
- Literature review of GCA clinical presentations.
- Analysis of diagnostic criteria and laboratory markers.
- Case study review highlighting varied presentations.
Main Results:
- GCA commonly presents with new-onset headache, visual disturbances, and polymyalgia rheumatica.
- Systemic inflammatory symptoms are also indicative of GCA.
- Characteristic laboratory abnormalities often accompany GCA.
Conclusions:
- Physicians must maintain a high index of suspicion for GCA in the elderly population.
- Familiarity with the broad spectrum of GCA manifestations is essential for timely diagnosis.
- Integrating clinical suspicion with laboratory findings aids in effective GCA management.
Related Concept Videos
01:26Rocky Mountain Spotted Fever
Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.
01:21Rheumatic Heart Disease III: Medical Management
Rheumatic heart disease (RHD) management can be divided into two main strategies: prevention and long-term management.Primary PreventionPrimary prevention focuses on timely diagnosis and management of group A streptococcal pharyngitis to prevent acute rheumatic fever. The most widely used antibiotic for treating this condition is intramuscular benzathine penicillin G.Acute Rheumatic Fever TreatmentThe primary treatment goal for a patient diagnosed with acute rheumatic fever is to suppress the...
01:27Myocarditis II: Clinical Features and Diagnostic Tests
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
01:26Aneurysm III: Interprofessional Care
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
01:14Myocarditis III: Medical Management
Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
01:28Acute Pyelonephritis II: Diagnostic Studies and Management
Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...