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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:
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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 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 Video

Updated: Jun 20, 2026

Three-Dimensional Reconstruction for the Whole Lung with Early Multiple Pulmonary Nodules
07:53

Three-Dimensional Reconstruction for the Whole Lung with Early Multiple Pulmonary Nodules

Published on: October 13, 2023

[Solitary pulmonary nodule].

F Schaeffler1, S Kos

  • 1Institut für Radiologie, Universitätsspital Basel, Basel. fschaeffer@uhbs.ch

Praxis
|September 24, 2009
PubMed
Summary

Primary pulmonary amyloidosis is a rare lung disease. This case highlights solitary pulmonary nodules as a potential, though uncommon, presentation of this condition.

Area of Science:

  • Pulmonology
  • Pathology
  • Radiology

Background:

  • Primary pulmonary amyloidosis is a rare condition.
  • It can manifest in tracheobronchial, nodular, or diffuse parenchymal patterns.
  • Nodular amyloid deposits are typically multiple, with focal presentations being less common.

Observation:

  • A case of a 70-year-old former smoker is presented.
  • The patient was incidentally diagnosed with a solitary pulmonary nodule on CT scan.
  • Solitary pulmonary nodules are common findings on CT scans.

Findings:

  • Amyloidosis is an uncommon cause in the differential diagnosis of solitary pulmonary nodules.
  • This case represents a focal, solitary nodular presentation of primary pulmonary amyloidosis.

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Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules
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  • The diagnosis was incidental.

    • Implications:

    • Clinicians should consider primary pulmonary amyloidosis in the differential diagnosis of solitary pulmonary nodules, even if uncommon.
    • Further investigation may be warranted for seemingly common findings like solitary pulmonary nodules.
    • This case broadens the understanding of the clinical presentation of pulmonary amyloidosis.