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Related Concept Videos

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...
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
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 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...

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Related Experiment Video

Updated: May 10, 2026

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

Drug-resistant tuberculous meningitis.

Ravindra K Garg1, Amita Jain, Hardeep S Malhotra

  • 1Department of Neurology, King George Medical University, Lucknow, Uttar Pradesh, India. garg50@yahoo.com

Expert Review of Anti-Infective Therapy
|June 12, 2013
PubMed
Summary

Drug-resistant tuberculous meningitis is a growing global threat, often linked to specific bacterial strains and gene mutations. Early detection using rapid molecular assays like Xpert MTB/RIF is crucial for effective treatment and improved patient outcomes.

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

Related Experiment Videos

Last Updated: May 10, 2026

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

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:

  • Microbiology
  • Infectious Diseases
  • Neurology

Background:

  • Drug-resistant tuberculosis (TB), particularly tuberculous meningitis (TBM), presents a significant global health challenge.
  • Associations between Beijing strains, specific gene mutations (katG, rpoB), and drug resistance in TB have been identified.
  • Clinical and neuroimaging features of drug-resistant TBM often mimic drug-susceptible TBM, complicating diagnosis.

Purpose of the Study:

  • To review the challenges and advancements in diagnosing and treating drug-resistant tuberculous meningitis.
  • To highlight the utility of molecular diagnostic tools for rapid detection in cerebrospinal fluid (CSF).
  • To discuss treatment strategies and outcomes for drug-resistant TBM.

Main Methods:

  • Review of current literature on drug-resistant TB and TBM.
  • Emphasis on diagnostic methods, including conventional and nucleic acid amplification assays.
  • Discussion of treatment regimens and factors influencing outcomes.

Main Results:

  • Conventional methods for detecting Mycobacterium tuberculosis in CSF have low sensitivity.
  • Nucleic acid amplification assays, such as the Xpert MTB/RIF assay, offer rapid and sensitive detection in CSF.
  • Treatment requires careful selection of second-line drugs with good CSF penetration based on drug susceptibility patterns.

Conclusions:

  • Drug-resistant TBM is associated with high mortality, especially in HIV-infected individuals.
  • Rapid molecular diagnostics are essential for timely and appropriate management of drug-resistant TBM.
  • Prevention of TB remains the most effective strategy to reduce the burden of drug-resistant TBM.