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Related Concept Videos

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...
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...
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...
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.

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Related Experiment Video

Updated: May 20, 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

Widespread tuberculosis including renal involvement.

Gates Colbert1, Daniel Richey, John C Schwartz

  • 1Department of Internal Medicine (Colbert) and the Division of Nephrology (Richey, Schwartz), Baylor University Medical Center at Dallas.

Proceedings (Baylor University. Medical Center)
|July 4, 2012
PubMed
Summary
This summary is machine-generated.

Extrapulmonary tuberculosis can manifest as unusual renal and urogenital symptoms, including acute kidney injury. Early diagnosis and treatment are crucial for managing this severe form of Mycobacterium tuberculosis infection.

More Related Videos

A 3D Human Lung Tissue Model for Functional Studies on Mycobacterium tuberculosis Infection
10:10

A 3D Human Lung Tissue Model for Functional Studies on Mycobacterium tuberculosis Infection

Published on: October 5, 2015

Related Experiment Videos

Last Updated: May 20, 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

A 3D Human Lung Tissue Model for Functional Studies on Mycobacterium tuberculosis Infection
10:10

A 3D Human Lung Tissue Model for Functional Studies on Mycobacterium tuberculosis Infection

Published on: October 5, 2015

Area of Science:

  • Nephrology
  • Infectious Diseases
  • Urology

Background:

  • Extrapulmonary Mycobacterium tuberculosis commonly affects the genitourinary tract.
  • Patients may present with non-specific symptoms, delaying tuberculosis diagnosis.
  • Renal and urogenital manifestations of tuberculosis require high clinical suspicion.

Purpose of the Study:

  • To report a case of active tuberculosis presenting as acute kidney injury and ureteral obstruction.
  • To highlight the diagnostic challenges associated with extrapulmonary tuberculosis.
  • To emphasize the importance of thorough microbiological evaluation in suspected cases.

Main Methods:

  • Case report of a 38-year-old male with vomiting and acute kidney injury.
  • Comprehensive imaging including lung, retroperitoneal, abdominal, and renal studies.
  • Diagnostic procedures included sputum analysis, urine acid-fast bacilli testing, QuantiFERON Gold, and retrograde pyelography.
  • Renal biopsy for histopathological examination.

Main Results:

  • Imaging revealed widespread nodules and asymmetrical hydronephrosis with ureteritis cystica.
  • Initial microbiological tests for tuberculosis were negative, including sputum and urine samples.
  • A fifth urine sample eventually tested positive for acid-fast bacilli.
  • Renal biopsy confirmed granulomatous interstitial nephritis with caseous necrosis.

Conclusions:

  • Disseminated tuberculosis can present with atypical renal and urogenital symptoms.
  • Diagnostic delays are common due to non-specific initial presentations and negative early tests.
  • Persistent microbiological investigation, including urine analysis and renal biopsy, is vital for diagnosing renal tuberculosis.