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Related Concept Videos

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...
Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic Obstructive Pulmonary Disease II: Emphysema

Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.01:25

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:

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Related Experiment Video

Updated: May 27, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
04:44

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Published on: June 16, 2020

[Endobronchial changes in sarcoidosis].

Ruxandra Ulmeanu1, A Râjnoveanu, Eugenia Halic

  • 1Institutul de Pneumologie Marius Nasta Bucureşti; Facultatea de Medicină Universitatea Oradea--Catedra de Pneumofliziologie. r_ulmeanu@yahoo.com

Pneumologia (Bucharest, Romania)
|November 22, 2011
PubMed
Summary
This summary is machine-generated.

Endobronchial sarcoidosis, though rare, affects the great airways and can be challenging to diagnose. Awareness of these airway manifestations is crucial for accurate diagnosis and management.

Related Experiment Videos

Last Updated: May 27, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
04:44

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Published on: June 16, 2020

Area of Science:

  • Pulmonology
  • Internal Medicine

Context:

  • Sarcoidosis is a multisystem inflammatory disease.
  • Endobronchial involvement in sarcoidosis presents unique diagnostic challenges.

Purpose:

  • To highlight the endoscopic findings associated with endobronchial sarcoidosis.
  • To emphasize the importance of considering airway involvement in sarcoidosis diagnosis.

Summary:

  • Endoscopic visualization of sarcoidosis can reveal erythema, edema, capillary ectasia, granularity, mucosal thickening, nodules, stenosis, and distortions.
  • Airway involvement, particularly in the great airways, can lead to difficult diagnoses, especially with symptoms like chronic cough or wheezing.
  • The progression of parenchymal sarcoidosis correlates with an increased frequency of airway involvement.

Impact:

  • Increased physician awareness of endobronchial sarcoidosis can improve diagnostic accuracy.
  • Recognition of airway manifestations aids in managing complex sarcoidosis cases.
  • Understanding the link between parenchymal and airway disease progression refines patient monitoring.