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Related Concept Videos

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...
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 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 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 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...

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Related Experiment Video

Updated: Jul 5, 2026

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
10:04

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

Published on: September 5, 2017

Male genital tuberculosis.

Jesse T Jacob1, T Minh Ly Nguyen, Susan M Ray

  • 1Division of Infectious Diseases, Department of Medicine, Emory University, Atlanta, GA 30303, USA. jtjacob@emory.edu

The Lancet. Infectious Diseases
|May 13, 2008
PubMed
Summary

This case highlights male genital tuberculosis, an uncommon form of extrapulmonary tuberculosis. Early diagnosis via nucleic acid amplification and cultures is key for effective treatment with standard medication.

Area of Science:

  • Urology
  • Infectious Diseases
  • Pathology

Background:

  • Tuberculosis (TB) is a significant global health issue.
  • Genital tuberculosis is an uncommon extrapulmonary manifestation, typically affecting middle-aged men.
  • Often associated with concurrent renal or pulmonary TB.

Observation:

  • A 51-year-old man presented with painless testicular swelling, fevers, night sweats, and voiding difficulties.
  • Radical orchiectomy revealed granulomas with acid-fast bacilli in the testis and epididymis.
  • Clinical presentation can include dysuria, sterile pyuria, or testicular mass.

Findings:

  • Male genital tuberculosis diagnosed via nucleic acid amplification on urine.
  • Confirmed by positive urine and sputum cultures for Mycobacterium tuberculosis.

Related Experiment Videos

Last Updated: Jul 5, 2026

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
10:04

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

Published on: September 5, 2017

  • Initial diagnosis often incidental on pathology specimens.

    • Implications:

    • Emphasizes the importance of considering genital TB in differential diagnoses.
    • Advocates for minimally invasive diagnostic approaches.
    • Standard four-drug anti-TB regimen is typically sufficient; surgery is rarely indicated.