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Related Concept Videos

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...
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 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:
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 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...
The Oral Microbiota01:27

The Oral Microbiota

The oral microbiome includes a complex ecosystem comprising over 700 microbial species, identified through genomic sequencing and culture-based analyses to date. This community includes a core microbiome, found universally among individuals, and a variable component influenced by environmental factors such as diet, lifestyle, and host genetics. Site-specific conditions, including oxygen gradients, pH levels, and nutrient availability, determine the spatial distribution of these microorganisms...

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Related Experiment Video

Updated: May 24, 2026

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
10:04

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

Published on: September 5, 2017

Tuberculosis involving the oral cavity.

K A Ferguson1, D G McCormack

  • 1Division of Respiratory Medicine, Victoria Hospital, London, Ontario.

The Canadian Journal of Infectious Diseases = Journal Canadien Des Maladies Infectieuses
|February 21, 2012
PubMed
Summary

Oral tuberculosis is uncommon, but this case highlights its potential for delayed diagnosis. Early recognition and treatment of Mycobacterium tuberculosis are crucial for resolving both oral lesions and pulmonary involvement.

Keywords:
Oral ulcerPulmonaryTuberculosis

Related Experiment Videos

Last Updated: May 24, 2026

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
10:04

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

Published on: September 5, 2017

Area of Science:

  • Medicine
  • Infectious Diseases
  • Pulmonology

Background:

  • Extrapulmonary tuberculosis (TB) can manifest in rare sites, including the oral cavity.
  • Oral TB is often misdiagnosed due to nonspecific symptoms and negative initial biopsies.

Observation:

  • A young woman presented with dysphagia and an oral ulceration.
  • Initial mucosal biopsy for acid-fast bacilli was negative.
  • The patient later developed pulmonary symptoms suggestive of active TB.

Findings:

  • Diagnosis of Mycobacterium tuberculosis was confirmed via open lung biopsy.
  • Standard antituberculous therapy led to complete resolution of oral and pulmonary lesions.

Implications:

  • This case underscores the importance of considering oral TB in patients with unexplained oral lesions, even with initial negative results.
  • Prompt diagnosis and treatment are essential for managing disseminated tuberculosis.
  • Highlights the diagnostic challenges and successful treatment outcomes for oral tuberculosis.