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Related Concept Videos

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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The Bronchial Tree01:23

The Bronchial Tree

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The human bronchi and bronchial tree play a crucial role in the respiratory system, facilitating the exchange of oxygen and carbon dioxide. Let's delve into the intricate structure and functions of these respiratory components.
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
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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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Other Pulmonary Disorders01:17

Other Pulmonary Disorders

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Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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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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Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

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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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Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
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Endobronchial tuberculosis polyps.

Christiaan Yu1, Chuan Tai Foo1, Ar Kar Aung2

  • 1Monash Lung and Sleep Monash Health Melbourne Victoria Australia.

Respirology Case Reports
|June 13, 2020
PubMed
Summary
This summary is machine-generated.

Endobronchial tuberculosis (TB) can present as polyps, posing diagnostic challenges. Early diagnosis and treatment of this rare Mycobacterium tuberculosis manifestation are crucial for patient recovery.

Keywords:
Endobronchial polypsendobronchial tuberculosisflexible bronchoscopytuberculosis

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Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Microbiology

Background:

  • Endobronchial tuberculosis (TB) is a rare form of Mycobacterium tuberculosis infection.
  • It can manifest as obstructive polyps within the airways.

Observation:

  • A case study of a patient from India presenting with classic TB symptoms.
  • Imaging revealed mediastinal lymphadenopathy, endobronchial invasion, and right lower lobe infiltrates.
  • Bronchoscopy identified two endobronchial polyps.

Findings:

  • Histopathology showed non-caseating granulomas.
  • Initial microbiological tests (Ziehl-Neelsen stain, PCR) were negative for Mycobacterium tuberculosis.
  • Culture from bronchial washings confirmed Mycobacterium tuberculosis after one month.

Implications:

  • This case highlights the diagnostic difficulties in endobronchial TB, particularly with polypoid presentation.
  • Delayed diagnosis can impede timely treatment initiation.
  • Successful treatment led to symptom resolution and radiological improvement.