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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...
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...
Microbiome of the Eye01:22

Microbiome of the Eye

The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...
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 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 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 Video

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Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis
10:33

Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis

Published on: December 17, 2021

Chronic conjunctivitis due to Mycobacterium tuberculosis.

Sunita Chaurasia1, Muralidhar Ramappa, Somasheila I Murthy

  • 1Cornea and Anterior Segment Services, L.V. Prasad Eye Institute, Kallam Anji Reddy Campus, L.V. Prasad Marg, Banjara Hills, Hyderabad, 500 034, India, sunita@lvpei.org.

International Ophthalmology
|August 10, 2013
PubMed
Summary
This summary is machine-generated.

Conjunctival tuberculosis, a rare cause of chronic conjunctivitis, presents with varied symptoms. Prompt diagnosis and four-drug anti-tuberculosis therapy (ATT) lead to complete resolution and no recurrence.

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Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Microbiology

Background:

  • Chronic conjunctivitis can be caused by rare infections, including tuberculosis.
  • Early diagnosis and treatment are crucial for managing ocular tuberculosis.

Observation:

  • Six patients with conjunctival tuberculosis were analyzed retrospectively.
  • Clinical presentations varied, including ulceration, nodulo-ulcerative lesions, epibulbar masses, and papillary hypertrophy.
  • Two patients exhibited systemic signs of tuberculosis.

Findings:

  • The mean duration to diagnosis was 6.5 months.
  • All patients achieved symptom resolution with four-drug anti-tuberculosis therapy (ATT).
  • No ocular or systemic recurrences were observed post-treatment.

Implications:

  • Conjunctival tuberculosis should be suspected in non-resolving chronic conjunctivitis.
  • A high index of suspicion, clinical examination, and diagnostic testing are vital for early detection.
  • Effective management with ATT leads to favorable outcomes and prevents recurrence.