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Pulmonary Tuberculosis II

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 III

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 V

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...

Pulmonary Tuberculosis I

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 IV

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...

Other Pulmonary Disorders

Other Pulmonary Disorders

Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.

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Related Experiment Video

Updated: Mar 13, 2026

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

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 Infection and Latent Tuberculosis.

Seung Heon Lee¹

¹Division of Pulmonary, Sleep, and Critical Care Medicine, Department of Internal Medicine, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea.

Tuberculosis and Respiratory Diseases

|October 30, 2016

Summary

Active tuberculosis (TB) poses a higher risk than latent TB infection (LTBI). Effective TB control requires managing LTBI, but more evidence is needed for clinical and public approaches.

Keywords:

Infection Infection Control Latent Tuberculosis Transmission Tuberculosis

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Last Updated: Mar 13, 2026

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An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis

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Published on: August 16, 2021

Area of Science:

Public Health
Infectious Diseases
Microbiology

Background:

Active tuberculosis (TB) is more infectious than latent TB infection (LTBI).
LTBI involves Mycobacterium tuberculosis infection without symptoms or evidence.
TB spreads via respiratory droplets containing bacilli.

Approach:

TB transmission is influenced by source strength, bacillus infectiousness, host immunity, environment, and biosocial factors.
Infection control strategies include managerial, administrative, engineering, environmental, and personal protective measures.
Diagnosis and treatment of LTBI are crucial for national TB control, provided active TB is not missed.

Key Points:

Latent TB infection (LTBI) is a significant reservoir for Mycobacterium tuberculosis.
Effective infection control requires a multi-faceted approach.
Managing LTBI is a key national TB control strategy.

Conclusions:

More robust evidence is required for LTBI management strategies.
Clinical and public perspectives are essential for developing effective LTBI interventions.
Addressing LTBI is critical for reducing the overall burden of tuberculosis.