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Related Concept Videos

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...
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 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 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...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...

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Related Experiment Video

Updated: May 14, 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

Bronchiectasis in active tuberculosis.

Jeong Min Ko1, Ki Jun Kim2, Seog Hee Park3

  • 1Department of Radiology, St Vincent's Hospital, The Catholic University of Korea.

Acta Radiologica (Stockholm, Sweden : 1987)
|February 8, 2013
PubMed
Summary
This summary is machine-generated.

Bronchiectasis can occur with active tuberculosis (TB), appearing within inflammation on CT scans. This condition often presents as cylindrical bronchiectasis with focal erosions and sometimes a feeding bronchus sign.

Keywords:
CTInfectionlungtuberculosis

Related Experiment Videos

Last Updated: May 14, 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:

  • Radiology
  • Pulmonology
  • Infectious Diseases

Background:

  • Bronchiectasis in tuberculosis (TB) is typically linked to healed scars.
  • However, active TB can also present with bronchiectasis.

Purpose of the Study:

  • To determine the prevalence of bronchiectasis in active TB.
  • To describe its appearance and changes on computed tomography (CT).

Main Methods:

  • 391 patients with active TB underwent CT scans.
  • CT scans were analyzed for bronchiectasis within consolidations or nodules.
  • Exclusion criteria applied to rule out pre-existing traction bronchiectasis.

Main Results:

  • Bronchiectasis was found in 25% of active TB patients within consolidations/nodules.
  • Cylindrical bronchiectasis with focal erosions was common (75%).
  • The feeding bronchus sign was present in 42% of cases.

Conclusions:

  • Bronchiectasis is a notable finding in approximately one-fourth of active TB cases on CT.
  • Bronchiectasis associated with active inflammation is typically cylindrical, featuring focal erosions and occasionally the feeding bronchus sign.