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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
280
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
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Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

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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...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

132
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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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...
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Related Experiment Video

Updated: Dec 20, 2025

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

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Published on: February 8, 2019

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Giant cell aortitis.

Petr Handlos1,2, Matěj Uvíra1,3, Marek Dokoupil1,4

  • 1Department of Forensic Medicine, University Hospital Ostrava, CZ-708 52, Ostrava, Czech Republic.

Forensic Science, Medicine, and Pathology
|May 31, 2020
PubMed
Summary

Diagnosing inflammatory aortic diseases can be challenging. This case highlights difficulties in specific diagnosis, even with comprehensive clinical and histological data.

Keywords:
Aortic aneurysmGiant cell arteritisHorton’s diseaseInflammatory aortic diseasesNon-infectious aortitis

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Area of Science:

  • Cardiovascular Pathology
  • Inflammatory Diseases
  • Aortic Disorders

Background:

  • Inflammatory aortic diseases are classified by inflammation degree: atherosclerosis, excessive inflammation, and aortitis/periaortitis.
  • Accurate diagnosis is crucial for effective treatment and patient outcomes.

Observation:

  • A 39-year-old male presented with thoracic aortic aneurysmal dilatation and aortic valve insufficiency.
  • Macroscopic examination revealed aortic wall thickening with a "tree bark" appearance and intimal scarring.

Findings:

  • Histology showed intimal hyperplasia, granulomatous/giant cell patterns, lymphoplasmacytic inflammation, and fibrinoid necrosis.
  • Findings suggested Horton's disease, but typical clinical features were absent.

Implications:

  • This case underscores the diagnostic challenges in inflammatory aortic diseases.
  • Specific diagnoses can be difficult despite extensive medical history and pathological findings.