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Related Concept Videos

Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

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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.
The first classification is based on the development of the disease, and it includes the following categories:
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Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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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...
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Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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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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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

Pulmonary Tuberculosis I

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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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Other Pulmonary Disorders01:17

Other Pulmonary Disorders

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

Naoki Yogo1, Chihiro Furukawa1, Satoshi Hayano2

  • 1Department of Paediatrics, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan.

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Summary
This summary is machine-generated.

Pediatric primary tuberculosis (TB) can present with lung consolidation unresponsive to antibiotics. Early consideration of TB is crucial in children with persistent pneumonia-like symptoms, even with negative initial tests.

Keywords:
Acid-fast bacilliAir bronchogramConsolidationProgressive primary tuberculosisZiehl-Neelsen stain

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Area of Science:

  • Pediatric Pulmonology
  • Infectious Diseases
  • Radiology

Background:

  • Primary tuberculosis (TB) diagnosis in children typically relies on exposure history, positive tuberculin skin test or interferon-gamma release assay (IGRA), and characteristic imaging.
  • Pediatric primary TB can manifest as lung consolidation, potentially mimicking bacterial pneumonia, though massive consolidation is uncommon.

Purpose of the Study:

  • To highlight the importance of considering primary pulmonary TB in children presenting with antibiotic-unresponsive lung consolidation.
  • To emphasize that negative IGRA and lack of TB exposure history should not exclude a diagnosis of TB in pediatric cases.

Main Methods:

  • Case report of a 13-year-old girl with unexplained dyspnea and fever.
  • Clinical presentation, computed tomography (CT) findings, and microbiological investigations (Ziehl-Neelsen stain, PCR for Mycobacterium tuberculosis) were analyzed.
  • Treatment response to ampicillin and subsequent antituberculous therapy was documented.

Main Results:

  • The patient presented with consolidation, pleural effusion, and bronchial obstruction, initially unresponsive to ampicillin.
  • Despite a negative IGRA, sputum analysis confirmed Mycobacterium tuberculosis.
  • Initiation of a four-drug antituberculous regimen led to rapid clinical recovery.

Conclusions:

  • Primary pulmonary TB should be strongly considered in pediatric patients with lung consolidation that does not respond to standard antibiotic treatment.
  • Diagnostic challenges in pediatric TB include atypical presentations and negative initial immunological tests, necessitating a high index of suspicion.