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Related Concept Videos

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 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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Pulmonary Tuberculosis I01:29

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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 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.
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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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Primed Mycobacterial Uveitis PMU as a Model for Post-Infectious Uveitis
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Isolated Optic Disc Tuberculosis.

Ahmad M Mansour1, Khalid F Tabbara2, Zuhair Tabbarah3

  • 1Department of Ophthalmology, American University of Beirut, Saudi Arabia ; Department of Ophthalmology and, Rafic Hariri University Hospital, Beirut, Lebanon, Saudi Arabia.

Case Reports in Ophthalmology
|October 21, 2015
PubMed
Summary
This summary is machine-generated.

Tuberculosis can affect the optic nerve, causing vision loss even without systemic symptoms. Prompt antimycobacterial treatment restored vision in a case of isolated optic disc tuberculosis.

Keywords:
ImmunocompetenceOcular tuberculosisOptic neuropathySystemic tuberculosis

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Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Neurology

Background:

  • Optic neuritis is a common cause of vision loss.
  • Tuberculosis can manifest in various forms, including ocular involvement.
  • Distinguishing isolated ocular tuberculosis from other causes is crucial for appropriate management.

Observation:

  • A healthy male presented with progressive left eye visual loss, initially diagnosed as optic neuritis.
  • Infectious etiology was suspected, and testing revealed tuberculosis.
  • The patient had no signs or symptoms of active systemic tuberculosis infection.

Findings:

  • The patient showed a swift response to antimycobacterial therapy, with vision returning and optic disc swelling resolving.
  • A positive purified protein derivative skin test and negative chest radiograph supported a diagnosis of tuberculosis.
  • Negative workup for other causes of unilateral optic neuritis further supported the diagnosis.

Implications:

  • This case highlights isolated optic disc tuberculosis as a distinct clinical entity.
  • It suggests that ocular tuberculosis can occur without systemic manifestations.
  • Early diagnosis and treatment of isolated ocular tuberculosis are essential for visual recovery.