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Related Concept Videos

Other Pulmonary Disorders01:17

Other Pulmonary Disorders

1.9K
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.
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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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
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Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic Obstructive Pulmonary Disease-I: Introduction

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Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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Chronic Obstructive Pulmonary Disease01:24

Chronic Obstructive Pulmonary Disease

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COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
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COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

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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...
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Pneumonia I: Introduction01:30

Pneumonia I: Introduction

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Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
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Related Experiment Video

Updated: Mar 20, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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[Interstitial lung diseases associated with smoking].

Markéta Nová, Helena Hornychová, Radoslav Matěj

    Ceskoslovenska Patologie
    |May 26, 2016
    PubMed
    Summary

    This review covers smoking-related interstitial lung diseases, including recognized disorders like desquamative interstitial pneumonia and respiratory bronchiolitis, and discusses entities with uncertain links to smoking.

    Keywords:
    emphysema - pneumonia - bronchiolitis - smoking - fibrosis - histiocytosis.

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    Area of Science:

    • Pulmonology
    • Pathology
    • Toxicology

    Background:

    • Smoking is a significant risk factor for various interstitial lung diseases (ILDs).
    • Several ILDs are officially recognized as smoking-associated.
    • Emerging literature suggests potential links between smoking and other ILDs.

    Purpose of the Study:

    • To review officially recognized smoking-related interstitial lung diseases.
    • To discuss recently identified entities with uncertain associations with smoking.
    • To provide insights into the histopathological features and differential diagnosis of these lung conditions.

    Main Methods:

    • Literature review of officially recognized and emerging smoking-related interstitial lung diseases.
    • Analysis of histopathological characteristics.
    • Discussion of differential diagnostic criteria.

    Main Results:

    • Officially recognized smoking-related ILDs include desquamative interstitial pneumonia, respiratory bronchiolitis-associated interstitial lung disease, and pulmonary Langerhans cell histiocytosis.
    • Several other lung conditions are under investigation for their relationship with smoking.
    • Histopathological examination is crucial for accurate diagnosis and differentiation.

    Conclusions:

    • Smoking is linked to a spectrum of interstitial lung diseases.
    • Accurate histopathological assessment is vital for diagnosing and managing smoking-related lung conditions.
    • Further research is needed to clarify the relationship between smoking and newly described ILDs.