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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:
Cholecystitis01:20

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
Gallbladder01:17

Gallbladder

The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins the common...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
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...

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Related Experiment Videos

Gallbladder tuberculosis: CT findings with histopathologic correlation.

Xiu-Fang Xu1, Ri-Sheng Yu, Ling-Ling Qiu

  • 1Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China.

Korean Journal of Radiology
|March 25, 2011
PubMed
Summary
This summary is machine-generated.

Computed tomography (CT) findings of gallbladder tuberculosis (TB) show varied presentations, correlating well with pathology. Irregular wall thickening or masses with necrosis/calcifications, alongside extra-gallbladder TB, suggest this diagnosis.

Keywords:
Computed tomography (CT)DiagnosisGallbladderPathologyTuberculosis

Related Experiment Videos

Area of Science:

  • Radiology
  • Infectious Diseases
  • Pathology

Background:

  • Gallbladder tuberculosis (TB) is a rare manifestation of extrapulmonary TB.
  • Accurate diagnosis relies on correlating imaging findings with pathological characteristics.

Purpose of the Study:

  • To describe computed tomography (CT) findings in gallbladder tuberculosis (TB).
  • To correlate CT findings with histopathological features of gallbladder TB.

Main Methods:

  • Retrospective review of seven patients diagnosed with gallbladder TB.
  • Cross-sectional imaging using CT, including evaluation of wall thickening, mass presence, and enhancement patterns.
  • Correlation of CT findings with pathological examination results.

Main Results:

  • CT revealed three main patterns: micronodular lesions, thickened walls, and gallbladder masses.
  • Homogeneous enhancement correlated with less caseation, while heterogeneous enhancement indicated significant caseation or necrosis.
  • Six out of seven patients had concurrent abdominal extrapulmonary TB, commonly involving lymph nodes and liver.

Conclusions:

  • Gallbladder TB presents with diverse CT manifestations.
  • Enhanced CT findings correlate strongly with pathological features, aiding diagnosis.
  • Suspicion for gallbladder TB should be raised with irregularly thickened walls or masses, necrosis/calcifications, and co-existing abdominal TB findings.