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Related Concept Videos

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 II01:28

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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.
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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 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.
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Pulmonary Tuberculosis IV01:26

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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.
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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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Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

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Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
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Related Experiment Video

Updated: Mar 10, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
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Bilateral Dacryoadenitis: Don't Forget Tuberculosis!

Marta Ruman-Colombier1, Pierre-Alex Crisinel, Nadine Cohen-Dumani

  • 1From the *Department of Pediatrics, University Hospital Centre, Lausanne, Switzerland; †Unit of Pediatric Infectious Diseases, Department of Pediatrics, University Hospital Centre, Lausanne, Switzerland; ‡General Pediatrics Practice, Vevey, Switzerland; and §Ophthalmology Practice, Vevey, Switzerland.

The Pediatric Infectious Disease Journal
|December 14, 2016
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Summary

Tuberculous dacryoadenitis is a rare condition. This case highlights the importance of considering tuberculosis in children with persistent lacrimal gland inflammation, even when it is the initial presentation.

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Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Pediatrics

Background:

  • Tuberculous dacryoadenitis is an uncommon manifestation of tuberculosis.
  • Diagnosis can be challenging, often presenting as refractory lacrimal gland inflammation.

Observation:

  • A rare case of a tuberculous dacryoadenitis in an adolescent female is presented.
  • Bilateral lacrimal gland inflammation was the initial clinical sign.

Findings:

  • The patient's dacryoadenitis was the first indicator of underlying pulmonary tuberculosis.
  • Systemic evaluation was crucial for identifying the primary infectious source.

Implications:

  • Clinicians should suspect tuberculosis in pediatric patients with persistent dacryoadenitis unresponsive to conventional treatments.
  • Early diagnosis of tuberculous dacryoadenitis can lead to timely identification and management of disseminated tuberculosis.