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Related Concept Videos

Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

1.5K
Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
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Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
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Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
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Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
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Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid 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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Related Experiment Video

Updated: Apr 8, 2026

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

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Takayasu's or tuberculous arteritis?

Carlos Moura1, Mauricio Antonio Aquino1, Jose Rocha Filho1

  • 1Hospital Santa Izabel, Salvador, Brazil.

BMJ Case Reports
|June 25, 2015
PubMed
Summary

Takayasu arteritis (TA) and tuberculous arteritis can present similarly, affecting the aorta and its branches. Differentiating these conditions is crucial for appropriate treatment, especially in cases with shared features like aneurysmal dilation.

Related Experiment Videos

Last Updated: Apr 8, 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

7.9K

Area of Science:

  • Vascular Inflammation
  • Infectious Diseases
  • Immunology

Background:

  • Takayasu arteritis (TA) is a large vessel vasculitis affecting the aorta and its branches, with unknown etiology.
  • Tuberculous arteritis is an uncommon condition mimicking TA, often arising from disseminated Mycobacterium tuberculosis infection.
  • Distinguishing between TA and tuberculous arteritis is clinically significant due to differing treatment strategies.

Observation:

  • A case report of a 23-year-old woman presenting with cutaneous granulomatous vasculitis.
  • The patient exhibited saccular aneurysmal dilation of the aorta and major vessels.
  • Clinical and imaging findings shared similarities between TA and tuberculous arteritis.

Findings:

  • The case highlights overlapping clinical and radiological features between Takayasu arteritis and tuberculous arteritis.
  • Granulomatous vasculitis and aortic/arterial aneurysms were key shared findings.
  • Mycobacterium tuberculosis dissemination can lead to a presentation indistinguishable from TA.

Implications:

  • This case underscores the importance of considering infectious etiologies, particularly tuberculosis, in the differential diagnosis of large vessel vasculitis.
  • Accurate diagnosis is essential for effective management and preventing complications associated with aortic and large vessel involvement.
  • Further research may be needed to identify specific markers for differentiating these conditions.