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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 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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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 V01:28

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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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Atypical Pneumonia01:14

Atypical Pneumonia

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Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease...
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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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Isolated mediastinal tuberculosis: a rare entity.

Navneet Kumar1, Chanchal Gera2, Nittala Philip3

  • 1Department of ENT, Christian Medical College and Hospital, Ludhiana, Punjab.

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Summary
This summary is machine-generated.

Isolated mediastinal tuberculosis, a rare tumor-like presentation, was diagnosed in an elderly Indian male. This case highlights an unusual manifestation of tuberculosis in adults.

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Area of Science:

  • Medicine
  • Infectious Diseases
  • Oncology

Background:

  • Tuberculosis (TB) is a significant public health concern in India.
  • Mediastinal tuberculosis typically presents with lymphadenopathy, not as a solitary tumor-like mass in adults.

Observation:

  • An immunocompetent, elderly male presented with a two-month history of fever.
  • A computed tomography (CT) scan of the chest revealed an isolated, mass-like lesion in the mediastinum with extension into the supraclavicular area.

Findings:

  • Histopathological examination of the mediastinal lesion confirmed the presence of tuberculosis.
  • This represents a rare case of isolated mediastinal tuberculosis presenting as a tumor in an adult.

Implications:

  • This case expands the spectrum of clinical presentations of tuberculosis.
  • It underscores the importance of considering tuberculosis in the differential diagnosis of mediastinal masses, even in immunocompetent adults.
  • Further research into rare presentations of tuberculosis is warranted.