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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 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 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 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...
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...

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Updated: Jun 13, 2026

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment
07:21

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment

Published on: June 23, 2019

HIV-associated tuberculosis: clinical update.

Soumya Swaminathan1, C Padmapriyadarsini, G Narendran

  • 1Tuberculosis Research Centre, Indian Council of Medical Research, Chennai, India. doctorsoumya@yahoo.com

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|April 15, 2010
PubMed
Summary
This summary is machine-generated.

The human immunodeficiency virus (HIV) epidemic worsens tuberculosis (TB) diagnosis and treatment, especially in Africa. New sensitive tests and managing drug interactions are crucial for coinfected patients.

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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: Jun 13, 2026

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment
07:21

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment

Published on: June 23, 2019

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:

  • Infectious Diseases
  • Public Health
  • Clinical Medicine

Background:

  • The global human immunodeficiency virus (HIV) epidemic significantly increases tuberculosis (TB) incidence, particularly in sub-Saharan Africa.
  • HIV coinfection complicates both the diagnosis and treatment of TB.
  • Drug-resistant TB strains pose a rapid spread risk in immunocompromised populations, leading to high mortality.

Purpose of the Study:

  • To review the challenges and advancements in diagnosing and treating tuberculosis in HIV-coinfected patients.
  • To highlight the need for improved diagnostic tools and effective management strategies for coinfection.
  • To discuss current treatment guidelines and unresolved questions regarding antiretroviral therapy timing.

Main Methods:

  • Review of current literature on HIV and TB coinfection.
  • Analysis of diagnostic challenges, including limitations of sputum smear microscopy.
  • Evaluation of treatment complexities, drug interactions, and immune reconstitution syndrome.
  • Discussion of drug-resistant TB and its impact on coinfected individuals.
  • Examination of current treatment guidelines and ongoing research.

Main Results:

  • Sputum smear microscopy performs poorly in HIV-infected individuals, necessitating more sensitive diagnostic methods like liquid culture and nucleic acid amplification assays.
  • Concomitant treatment with antituberculosis and antiretroviral drugs presents challenges such as pill burden, drug interactions, toxicity, and immune reconstitution syndrome.
  • Multidrug-resistant and extensively drug-resistant TB are significant threats in immunocompromised populations.
  • Current guidelines recommend early antiretroviral treatment initiation for patients with low CD4 counts, but optimal regimens and timing require further investigation.

Conclusions:

  • Effective management of HIV-TB coinfection requires advanced diagnostic tools and careful consideration of treatment complexities.
  • Addressing challenges in drug administration, interactions, and patient adherence is critical.
  • Further research and clinical trials are essential to optimize treatment strategies and answer remaining questions regarding the management of HIV-TB coinfection.