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Related Concept Videos

Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

1.8K
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 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.
The first classification is based on the development of the disease, and it includes the following categories:
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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 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 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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Updated: Mar 1, 2026

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients
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Isolated lytic bone lesion in tuberculosis.

Mansoor C Abdulla1

  • 1Department of General Medicine, MES Medical College, Kerala, India.

International Journal of Mycobacteriology
|June 1, 2017
PubMed
Summary
This summary is machine-generated.

Tuberculosis (TB) can cause lytic bone lesions that mimic tumors. This case highlights an unusual presentation of TB in an immunocompetent patient with an isolated ulna lesion.

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Area of Science:

  • Orthopedics
  • Infectious Diseases
  • Radiology

Background:

  • Lytic bone lesions stem from benign, malignant, or infectious causes.
  • Tuberculosis (TB) can radiologically resemble bone tumors like osteosarcoma or metastatic disease.
  • Definitive diagnosis of bone lesions relies on histopathology and culture.

Observation:

  • An immunocompetent patient presented with an isolated lytic bone lesion.
  • The lesion was located in the distal ulna.
  • Radiological findings were initially suggestive of a neoplastic process.

Findings:

  • The isolated lytic bone lesion was diagnosed as tuberculosis (TB).
  • This case represents an unusual presentation of TB in an immunocompetent individual.
  • The distal ulna was the sole site affected by the tuberculous lesion.

Implications:

  • Highlights the importance of considering tuberculosis in the differential diagnosis of lytic bone lesions, even in immunocompetent patients.
  • Emphasizes that TB can present with isolated bone lesions, mimicking other pathologies.
  • Underscores the need for thorough diagnostic workup, including culture, for accurate TB diagnosis and management.