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Related Concept Videos

Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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...
Tuberculosis01:23

Tuberculosis

Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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 progression...
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

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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Related Experiment Video

Updated: Jun 28, 2026

Intradermal Inoculation of Mycobacterium avium in the Mouse Ear
09:20

Intradermal Inoculation of Mycobacterium avium in the Mouse Ear

Published on: July 3, 2025

[Tuberculous otitis media].

S Hamouda1, H Opsomer, A Delattre

  • 1Unité de pneumologie et allergologie pédiatrique, département de pédiatrie, hôpital Jeanne-de-Flandre, CHRU de Lille, 59037 Lille cedex, France.

Medecine Et Maladies Infectieuses
|October 29, 2008
PubMed
Summary
This summary is machine-generated.

Tuberculous otitis media, a rare condition, is often diagnosed late. This case highlights a 13-year-old girl successfully treated with chemotherapy for this challenging ear infection.

Related Experiment Videos

Last Updated: Jun 28, 2026

Intradermal Inoculation of Mycobacterium avium in the Mouse Ear
09:20

Intradermal Inoculation of Mycobacterium avium in the Mouse Ear

Published on: July 3, 2025

Area of Science:

  • Otolaryngology
  • Infectious Diseases
  • Pediatrics

Background:

  • Tuberculous otitis media (TOM) is an uncommon manifestation of extrapulmonary tuberculosis.
  • Delayed diagnosis of TOM can lead to significant morbidity and complications.

Observation:

  • A 13-year-old girl presented with chronic otitis media and severe cervical adenitis.
  • High-resolution CT revealed extensive involvement of the middle ear, mastoid, and sphenoidal bone, alongside cervical and mediastinal adenitis.

Findings:

  • Diagnosis was confirmed by a positive tuberculin skin test and Mycobacterium tuberculosis identification in gastric juices.
  • The patient showed significant improvement following 9 months of antituberculous chemotherapy.

Implications:

  • This case underscores the importance of considering TOM in children with chronic otitis media and cervical lymphadenopathy.
  • Early diagnosis and prompt treatment are crucial for favorable outcomes in tuberculous otitis media.