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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 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 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 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...

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Related Experiment Videos

Biliary tract tuberculosis--a diagnostic dilemma.

Mahendran Govindasamy1, Thiagarajan Srinivasan, Vibha Varma

  • 1Gyan Burman Liver Unit, Department of Surgical Gastroenterology and Liver Transplantation, Room no 3364, Third floor, Casualty Block, Sir Ganga Ram Hospital, New Delhi, 110060, India. drgmahu@rediffmail.com

Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract
|October 4, 2011
PubMed
Summary
This summary is machine-generated.

Biliary tuberculosis is a rare but important cause of biliary obstruction, particularly in endemic regions. Early diagnosis can significantly improve patient outcomes and alter management strategies compared to malignancy.

Related Experiment Videos

Area of Science:

  • Hepatobiliary Surgery
  • Infectious Diseases
  • Gastroenterology

Background:

  • Biliary obstruction in Western patients is often presumed malignant.
  • Tuberculosis (TB) is an endemic cause of biliary obstruction in some regions, altering management and prognosis.
  • This study retrospectively reviews cases initially diagnosed as biliary malignancy but found to have tuberculosis.

Purpose of the Study:

  • To identify clinical features distinguishing biliary tuberculosis from biliary tract malignancy.
  • To improve preoperative diagnosis of biliary tuberculosis.

Main Methods:

  • Retrospective analysis of 209 patients operated for presumed biliary tract malignancy (August 1996 - June 2010).
  • Focus on 7 patients diagnosed with biliary tuberculosis.
  • Comparison of clinical features between biliary tuberculosis and malignancy groups.

Main Results:

  • Biliary tuberculosis patients had longer symptom duration (122 vs. 44 days), less frequent abdominal masses (28% vs. 57%), and lower serum bilirubin (1.6 vs. 6 mg/dl).
  • Extrapulmonary tuberculosis was present in 28.5% of biliary TB cases.
  • No operative mortality for biliary tuberculosis versus 7.5% for biliary malignancy.

Conclusions:

  • Biliary tract tuberculosis should be considered in the differential diagnosis of biliary obstruction.
  • Crucial in endemic areas for appropriate patient management and improved prognosis.