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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 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...
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 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 3, 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

Abdominal tuberculosis may masquerade many diseases.

Sankappa P Sinhasan1, Rekha B Puranik, Mohan H Kulkarni

  • 1Department of Pathology, Hassan Institute of Medical Sciences, Hassan, Karnataka, India. drspsinhasan@gmail.com

Saudi Journal of Gastroenterology : Official Journal of the Saudi Gastroenterology Association
|March 5, 2011
PubMed
Summary

Intestinal tuberculosis is often misdiagnosed due to its varied presentations, mimicking conditions like ischemic enteritis. Histopathological examination of resected intestinal specimens is crucial for accurate diagnosis of intestinal tuberculosis.

Related Experiment Videos

Last Updated: Jun 3, 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:

  • Gastroenterology
  • Pathology
  • Infectious Diseases

Background:

  • Intestinal tuberculosis (ITB) presents diagnostic challenges, mimicking various gastrointestinal pathologies.
  • Clinical and morphological similarities can lead to misdiagnosis of ITB.
  • Accurate diagnosis is essential for appropriate patient management.

Purpose of the Study:

  • To analyze clinical presentations leading to intestinal resection.
  • To identify etiological factors through histopathological examination.
  • To describe histopathological features of intestinal lesions with clinicopathological correlation.

Main Methods:

  • Retrospective analysis of 100 resected intestinal specimens.
  • Inclusion of cases with clinical suspicion of ileocecal tuberculosis.
  • Histopathological examination for etiological diagnosis.

Main Results:

  • Abdominal tenderness and mass in the ileocecal region were common findings.
  • Many cases operated for obstruction were misdiagnosed pre-operatively.
  • Histopathology confirmed intestinal tuberculosis in only 6 out of 22 suspected cases, with other diagnoses including ischemic enteritis and adenocarcinoma.

Conclusions:

  • Intestinal tuberculosis can present with nonspecific signs and symptoms, mimicking other diseases.
  • Increased awareness and improved diagnostic methods are needed for better outcomes.
  • Early and specific treatment for ITB is critical.