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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 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...
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 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...

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Related Experiment Video

Updated: Jun 19, 2026

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients
03:47

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients

Published on: October 25, 2024

[Pulmonary and pleural tuberculosis in the elderly].

Gerhard Hoheisel1, Anne Hagert-Winkler, Jörg Winkler

  • 1Internistisch-Pneumologische Praxis, Leipzig, Germany. gerhard.hoheisel@t-online.de

Medizinische Klinik (Munich, Germany : 1983)
|October 27, 2009
PubMed
Summary

Tuberculosis (TB) is increasingly affecting the elderly, with often subtle symptoms delaying diagnosis. Early detection and treatment are crucial to reduce mortality and prevent spread in this vulnerable population.

Related Experiment Videos

Last Updated: Jun 19, 2026

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients
03:47

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients

Published on: October 25, 2024

Area of Science:

  • Geriatric Medicine
  • Infectious Diseases
  • Public Health

Context:

  • Rising proportion of elderly population globally.
  • Increased incidence of pulmonary and extrapulmonary tuberculosis (TB) in older adults.
  • Unspecific and less apparent TB symptoms in the elderly leading to diagnostic delays.

Purpose:

  • To highlight the challenges and considerations for diagnosing and treating tuberculosis in the elderly.
  • To emphasize the importance of early recognition and management of TB in older individuals.
  • To discuss factors influencing TB treatment outcomes and mortality in the geriatric population.

Summary:

  • Older adults present with less specific TB symptoms, a higher prevalence of prior TB and comorbidities, and reduced tuberculin skin test reactivity.
  • Interferon-gamma-release assays (IGRAs) are valuable adjuncts to clinical, radiological, and bacteriological findings for TB diagnosis in the elderly.
  • While TB treatment guidelines remain consistent, elderly patients face increased risks of adverse drug effects, drug interactions, and delayed healing due to comorbidities and age-related immunosuppression.

Impact:

  • Higher age, comorbidities, and immunosuppression are significant predictors of increased TB mortality.
  • Recognizing TB as a differential diagnosis in elderly patients is essential for timely intervention.
  • Prompt diagnosis and treatment can reduce mortality and prevent the further transmission of tuberculosis, even in low-incidence settings.