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Related Concept Videos

Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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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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Pulmonary Tuberculosis I01:29

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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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Pulmonary Tuberculosis III01:31

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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.
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Pulmonary Tuberculosis IV01:26

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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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Pneumonia I: Introduction01:30

Pneumonia I: Introduction

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Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
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Pneumonia I: Introduction01:29

Pneumonia I: Introduction

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Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
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Related Experiment Video

Updated: Apr 28, 2026

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

Pablo Rosado1, Eduardo Fuente2, Lorena Gallego1

  • 1Department of Oral and Maxilofacial Surgery, Hospital de Cabueñes, Gijón, Asturias, Spain.

BMJ Case Reports
|June 14, 2014
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Tuberculosis (TB) is a serious global disease, but oral manifestations are uncommon. Early diagnosis of oral TB is crucial to distinguish it from other serious conditions like cancer.

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Area of Science:

  • Oral Medicine
  • Infectious Diseases
  • Pathology

Background:

  • Tuberculosis (TB) is a significant global health concern with high incidence.
  • Oral tuberculosis is a rare clinical presentation of the disease.
  • Distinguishing oral TB from neoplastic or traumatic ulcers is critical for timely intervention.

Observation:

  • A rare case of primary oral tuberculosis is presented.
  • The affected sites were the hard palate and gingiva.
  • The patient was an 88-year-old female.

Findings:

  • The case highlights the diagnostic challenge of oral TB.
  • Early recognition is key to appropriate management.
  • This presentation underscores the need for considering TB in oral ulcer differential diagnoses.

Implications:

  • Increased awareness of oral TB can improve diagnostic accuracy.
  • Prompt treatment of oral TB prevents disease progression.
  • This case contributes to the understanding of rare TB presentations.