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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 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 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...
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 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 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: Jun 22, 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

Gastrointestinal tuberculosis.

V H Chong1, K S Lim

  • 1Gastroenterology Unit, Department of Medicine, Raja Isteri Pengiran Anak Saleha Hospital, Bandar Seri Begawan, BA 1710, Brunei Darussalam. chongvuih@yahoo.co.uk

Singapore Medical Journal
|June 25, 2009
PubMed
Summary
This summary is machine-generated.

Gastrointestinal tuberculosis (GI TB) is a common extrapulmonary manifestation of TB, often mimicking other conditions. This review highlights key endoscopic and radiological findings for diagnosing GI TB.

Related Experiment Videos

Last Updated: Jun 22, 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

Area of Science:

  • Infectious Diseases
  • Gastroenterology
  • Radiology

Background:

  • Tuberculosis (TB) remains a significant global health challenge, causing substantial morbidity and mortality, especially in developing countries.
  • Gastrointestinal (GI) tract involvement is a frequent extrapulmonary manifestation of TB, often presenting with non-specific symptoms that can mimic malignancies.
  • Diagnosing GI TB can be challenging due to the varied and non-specific endoscopic and radiological findings.

Purpose of the Study:

  • To review and illustrate the endoscopic and radiological findings of proven gastrointestinal tuberculosis (GI TB) infections.
  • To aid in the diagnosis of GI TB by presenting characteristic imaging and endoscopic features.
  • To focus on non-human immunodeficiency virus (HIV)-associated GI TB cases encountered in a tertiary referral center.

Main Methods:

  • A pictorial essay approach was used, reviewing cases of proven GI TB.
  • Endoscopic findings were analyzed, including direct visualization and tissue sampling for histology and culture.
  • Radiological imaging findings were correlated with endoscopic and histopathological results.

Main Results:

  • Endoscopy is presented as the primary investigation of choice for GI TB, enabling direct visualization and tissue acquisition.
  • Radiological imaging complements endoscopic findings, providing further insights into the extent and nature of GI TB.
  • The study showcases a range of endoscopic and radiological features encountered in non-HIV-associated GI TB.

Conclusions:

  • Endoscopy, supported by radiology, is crucial for the accurate diagnosis of GI TB.
  • Recognizing the diverse endoscopic and radiological manifestations is key to differentiating GI TB from other conditions, including cancer.
  • Early and accurate diagnosis through integrated imaging and endoscopic techniques improves patient outcomes for GI TB.