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Related Concept Videos

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 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 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 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...
Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
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...

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Related Experiment Videos

Hepatobiliary 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
|October 13, 2010
PubMed
Summary
This summary is machine-generated.

Hepatobiliary tuberculosis (HBTB) presents nonspecific symptoms, often mimicking malignancies and posing diagnostic challenges. This review highlights imaging findings of HBTB, emphasizing its varied presentations and diagnostic difficulties.

Related Experiment Videos

Area of Science:

  • Hepatobiliary diseases
  • Infectious diseases
  • Radiology

Background:

  • Tuberculosis (TB) remains a significant global health issue, causing morbidity and mortality.
  • Abdominal TB, a form of extrapulmonary TB, commonly affects the gastrointestinal tract, spleen, pancreas, hepatobiliary system, and lymph nodes.
  • Hepatobiliary TB (HBTB) is a rare manifestation, often presenting with nonspecific symptoms that can mimic other conditions, including malignancies.

Purpose of the Study:

  • To review the diverse radiological manifestations of hepatobiliary TB (HBTB).
  • To illustrate the diagnostic challenges in differentiating HBTB from other intra-abdominal pathologies, particularly malignancies.
  • To present a pictorial essay of HBTB encountered in a tertiary referral center.

Main Methods:

  • Review of radiological imaging findings in patients diagnosed with HBTB.
  • Utilizing ultrasonography and computed tomography as primary diagnostic tools.
  • Incorporating endoscopic retrograde cholangiography for biliary TB management.

Main Results:

  • HBTB can manifest as miliary or focal hepatic involvement, with nodular or diffuse forms.
  • Radiological findings include abscesses, tuberculomas, and hepatic calcifications, ranging from subtle to gross.
  • Biliary TB, though rare, can present as strictures due to direct involvement or extrinsic compression, posing challenges in differentiating from cholangiocarcinoma.

Conclusions:

  • Diagnosing HBTB can be challenging due to its nonspecific presentation and potential to mimic malignancies.
  • Multimodality imaging, including ultrasonography, CT, and ERCP, is crucial for diagnosis and management.
  • Considering HBTB in the differential diagnosis of intra-abdominal masses and strictures, especially in endemic areas, is essential.