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Related Concept Videos

Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...
Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
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:
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 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...

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Related Experiment Video

Updated: Jun 5, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
03:22

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion

Published on: November 10, 2023

Tuberculous pleural effusion.

Z M Sarker1, A K Mahmud, A J Chowdhury

  • 1Bangabandhu Sheikh Mujib Medical University, Shahbagh, Dhaka, Bangladesh.

Mymensingh Medical Journal : MMJ
|January 18, 2011
PubMed
Summary
This summary is machine-generated.

Tuberculosis remains endemic, with extrapulmonary forms rising alongside HIV. This study highlights tuberculous pleural effusion as a significant cause of illness in developing nations.

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

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Area of Science:

  • Medicine
  • Infectious Diseases
  • Pulmonology

Background:

  • Tuberculosis (TB) persists as an endemic disease in developing countries, despite ongoing prevention efforts.
  • The incidence of extrapulmonary tuberculosis is increasing globally, coinciding with the emergence of Human Immunodeficiency Virus (HIV) infection.
  • Pleural tuberculosis is a frequent clinical challenge encountered in medical practice.

Purpose of the Study:

  • To assess the clinical characteristics and diagnostic approaches for tuberculous pleural effusion.
  • To determine the prevalence of tuberculous pleural effusion among extrapulmonary tuberculosis cases.
  • To evaluate the utility of clinical and laboratory findings in diagnosing pleural tuberculosis.

Main Methods:

  • A prospective analysis of 26 cases of tuberculous pleural effusion admitted between 2002 and 2007.
  • Diagnosis was established using clinical examination, tuberculin reaction, imaging, pleural fluid analysis, and response to antitubercular chemotherapy.
  • Exclusion of malignancy and pneumonia was crucial for diagnosis.

Main Results:

  • Tuberculous pleural effusion accounted for 32.50% of all extrapulmonary tuberculosis cases admitted during the study period.
  • The most common presenting symptoms included fever (100%), nonproductive cough (73%), pleuritic chest pain (38%), weight loss (38%), and shortness of breath (38%).
  • Novel biochemical markers were not employed due to limitations.

Conclusions:

  • A high index of suspicion is essential for diagnosing tuberculous pleural effusion, especially after ruling out other conditions.
  • Clinical presentation and standard diagnostic methods remain vital for identifying pleural tuberculosis.
  • Tuberculous pleural effusion represents a substantial proportion of extrapulmonary tuberculosis cases in endemic settings.