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Related Concept Videos

Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

228
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...
228
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

641
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...
641
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

267
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...
267
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

409
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...
409
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

519
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:
519

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Updated: Oct 15, 2025

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
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Isolated Rectal Tuberculosis in Immunocompetent Host.

Piyush Manoria1, Abhishek Singhai2, Hanni V Gulwani3

  • 1Bhopal Memorial Hospital and Research Centre, Bhopal, Madhya Pradesh, India.

Journal of Global Infectious Diseases
|October 27, 2021
PubMed
Summary
This summary is machine-generated.

Isolated rectal tuberculosis is rare in immunocompetent individuals and often mistaken for rectal cancer. Diagnosis typically requires surgical intervention, though rectal biopsy can reveal characteristic granulomas and bacilli.

Keywords:
Lower gastrointestinal tractrectumtuberculosis

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Area of Science:

  • Gastroenterology
  • Infectious Diseases
  • Pathology

Background:

  • Abdominal tuberculosis (TB) is a common extrapulmonary manifestation, frequently involving the ileocecal region.
  • Isolated rectal TB is exceptionally rare, particularly in immunocompetent patients, often presenting with symptoms mimicking rectal carcinoma.
  • Endoscopic biopsy yields for diagnosing submucosal rectal TB granulomas are historically low, frequently necessitating surgical resection for definitive diagnosis.

Observation:

  • A middle-aged female presented with chronic diarrhea, exhibiting symptoms suggestive of a rectal malignancy.
  • Diagnostic investigations focused on the rectal region due to persistent symptoms.
  • The case highlights a rare presentation of tuberculosis localized to the rectum.

Findings:

  • Rectal biopsy analysis revealed epithelioid cells forming granulomas, a key indicator of tuberculosis.
  • Acid-fast bacilli were identified in the rectal biopsy, confirming the diagnosis of tuberculosis.
  • The patient's presentation and biopsy results pointed towards isolated rectal tuberculosis.

Implications:

  • This case underscores the importance of considering tuberculosis in the differential diagnosis of rectal masses, even in immunocompetent individuals.
  • Improved diagnostic strategies for rectal TB may reduce the need for extensive surgical intervention.
  • Early identification and treatment of rectal TB can prevent complications and improve patient outcomes.