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Related Concept Videos

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 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 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 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...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
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...

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Related Experiment Video

Updated: May 10, 2026

Use of the Invertebrate Galleria mellonella as an Infection Model to Study the Mycobacterium tuberculosis Complex
09:23

Use of the Invertebrate Galleria mellonella as an Infection Model to Study the Mycobacterium tuberculosis Complex

Published on: June 30, 2019

Mycobacterium bovis tenosynovitis.

Jeffrey David Unsworth1, Alec Bonington

  • 1Acute Pennine NHS Trust, Manchester, UK. jeffreyunsworth7@hotmail.com

BMJ Case Reports
|June 18, 2013
PubMed
Summary

Infectious tenosynovitis, though rare, requires prompt diagnosis. This case highlights Mycobacterium bovis as an unusual cause, emphasizing biopsy

Area of Science:

  • Infectious diseases
  • Rheumatology
  • Microbiology

Background:

  • Infectious tenosynovitis is a rare condition characterized by joint pain, swelling, and deformity.
  • Prompt and accurate diagnosis is crucial to prevent severe complications and functional impairment.

Observation:

  • This report details a rare case of infectious tenosynovitis caused by Mycobacterium bovis.
  • The case presented typical symptoms including joint pain, swelling, and deformity.

Findings:

  • Mycobacterium bovis is an uncommon pathogen responsible for infectious tenosynovitis.
  • Diagnosis can be challenging, underscoring the importance of diagnostic biopsy.
  • Appropriate management is essential for favorable outcomes.

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Intradermal Inoculation of Mycobacterium avium in the Mouse Ear
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Intradermal Inoculation of Mycobacterium avium in the Mouse Ear

Published on: July 3, 2025

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Last Updated: May 10, 2026

Use of the Invertebrate Galleria mellonella as an Infection Model to Study the Mycobacterium tuberculosis Complex
09:23

Use of the Invertebrate Galleria mellonella as an Infection Model to Study the Mycobacterium tuberculosis Complex

Published on: June 30, 2019

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

Implications:

  • Highlights the need for considering atypical organisms in infectious tenosynovitis.
  • Emphasizes the diagnostic utility of biopsy in challenging cases.
  • Informs clinical practice regarding the management of rare infectious tenosynovitis cases.