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Related Concept Videos

Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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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.
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 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 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 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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Related Experiment Video

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Intradermal Inoculation of Mycobacterium avium in the Mouse Ear
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Granulomatous prostatitis due to Mycobacterium avium complex.

D J Mikolich1, S M Mates

  • 1Department of Medicine, Brown University, Providence, Rhode Island.

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|February 1, 1992
PubMed
Summary

Granulomatous prostatitis caused by nontuberculous mycobacteria is rare. This case highlights Mycobacterium avium complex infection in an immunocompetent man presenting with sterile pyuria and positive skin test.

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Area of Science:

  • Infectious Diseases
  • Urology
  • Microbiology

Background:

  • Granulomatous infections of the genitourinary tract are uncommon.
  • Nontuberculous mycobacteria (NTM) are an even rarer cause of such infections.

Observation:

  • A case of prostatitis in an immunocompetent male is presented.
  • The patient exhibited sterile pyuria and a positive Mantoux skin test.
  • Pathologic examination revealed necrotizing granulomas with acid-fast bacilli in the prostate.

Findings:

  • The causative agent was identified as Mycobacterium avium complex (MAC).
  • Repeated urine cultures confirmed the presence of M. avium complex before treatment initiation.

Implications:

  • This case expands the understanding of genitourinary granulomatous infections.
  • It underscores the importance of considering NTM, specifically M. avium complex, in the differential diagnosis of sterile pyuria and prostatitis, even in immunocompetent individuals.
  • Highlights the diagnostic utility of histopathology and microbiology in identifying rare pathogens.