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Related Concept Videos

Cystic Fibrosis: Pathogenesis01:23

Cystic Fibrosis: Pathogenesis

Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation, but...
Cystic Fibrosis: Management01:24

Cystic Fibrosis: Management

Cystic fibrosis (CF) is an autosomal recessive disorder that predominantly affects individuals of Northern European descent, occurring at a rate of 1 in 3500. It is caused by a genetic mutation in a gene on chromosome 7, most commonly the ΔF508 mutation, that codes for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. This results in thicker mucus secretions and obstruction pathologies in multiple organs, including the lungs and sinuses.
Sinus disease and chronic sinusitis...
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.
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:
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Chronic Obstructive Pulmonary Disease I: Introduction01:23

Chronic Obstructive Pulmonary Disease I: Introduction

Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...

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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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Published on: June 16, 2020

Cystic lung disease.

Belinda E Clarke

    Journal of Clinical Pathology
    |June 5, 2013
    PubMed
    Summary
    This summary is machine-generated.

    This review covers diffuse cystic lung diseases, focusing on conditions like Langerhans cell histiocytosis and lymphangioleiomyomatosis. It highlights recent molecular pathology advances and differential diagnoses for unclear cystic lung conditions.

    Keywords:
    LungMolecular PathologyPulmonary Pathology

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    Area of Science:

    • Pulmonary Pathology
    • Histopathology
    • Molecular Pathology

    Background:

    • Diffuse cystic lung changes are observed in various conditions, often presenting diagnostic challenges.
    • Identifying the underlying etiology is crucial for accurate diagnosis and patient management.
    • Biopsies with unclear origins frequently reveal diffuse cystic patterns.

    Purpose of the Study:

    • To review lung diseases characterized by diffuse cystic changes.
    • To discuss key entities encountered in biopsies with unclear etiology.
    • To highlight recent molecular pathology findings and differential diagnoses.

    Main Methods:

    • Literature review of pathology and molecular pathology studies.
    • Analysis of conditions with predominant diffuse cystic change.
    • Consideration of diseases with secondary cyst formation.

    Main Results:

    • Langerhans cell histiocytosis, lymphangioleiomyomatosis, and Birt-Hogg-Dubé syndrome are primary causes of diffuse cystic lung disease.
    • Advances in molecular pathology are improving understanding of these conditions.
    • Other conditions like amyloidosis and follicular bronchiolitis can exhibit cystic changes but are not the predominant feature.
    • Cystic metastases pose a diagnostic challenge.

    Conclusions:

    • Accurate diagnosis of diffuse cystic lung disease relies on integrating histopathology and molecular findings.
    • Understanding the spectrum of cystic lung pathologies aids in differential diagnosis.
    • Further research into molecular mechanisms can refine diagnostic and therapeutic strategies.