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Related Concept Videos

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...
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 V01:28

Pulmonary Tuberculosis V

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 progression...
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:
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 IV01:26

Pulmonary Tuberculosis IV

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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Related Experiment Videos

Isolated metacarpal bone tuberculosis-a case report.

R A S Kushwaha1, Surya Kant, Sanjay Kumar Verma

  • 1Department of Pulmonary Medicine, King George's Medical University, Lucknow (India)-226003.

Lung India : Official Organ of Indian Chest Society
|April 17, 2010
PubMed
Summary
This summary is machine-generated.

Tuberculous dactylitis, a rare form of extrapulmonary tuberculosis, can affect the metacarpal bones. This case highlights a 27-year-old female with a discharging sinus on her third metacarpal bone.

Related Experiment Videos

Area of Science:

  • Orthopedics
  • Infectious Diseases
  • Radiology

Background:

  • Extrapulmonary tuberculosis (TB) presents diverse clinical manifestations.
  • Tuberculous dactylitis, affecting small bones of the hands and feet, is an uncommon manifestation.
  • Diagnosis can be challenging due to its rarity and varied presentations.

Purpose of the Study:

  • To report a rare case of tuberculous dactylitis involving the metacarpal bone.
  • To emphasize the importance of considering tuberculosis in the differential diagnosis of bone lesions.
  • To discuss the diagnostic and management challenges associated with this condition.

Main Methods:

  • Case presentation of a 27-year-old female.
  • Clinical examination revealing a discharging sinus over the proximal third metacarpal bone of the left hand.
  • Diagnostic workup including imaging and microbiological tests (details not provided in abstract).

Main Results:

  • The patient presented with a discharging sinus indicative of localized bone infection.
  • The underlying cause was identified as tuberculous involvement of the metacarpal bone (tuberculous dactylitis).
  • This represents a rare site for extrapulmonary tuberculosis in adults.

Conclusions:

  • Tuberculous dactylitis of the metacarpals is an infrequent presentation of extrapulmonary tuberculosis.
  • Early recognition and diagnosis are crucial for effective management.
  • This case underscores the need for a high index of suspicion for TB in patients with unexplained bone lesions.