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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...
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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.
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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

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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.
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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.

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Updated: May 11, 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

Diffuse cystic lung diseases.

Jay H Ryu1, Xinlun Tian, Misbah Baqir

  • 1Mayo Clinic, Division of Pulmonary and Critical Care Medicine, Rochester, MN 55905, USA. ryu.jay@mayo.edu

Frontiers of Medicine
|May 14, 2013
PubMed
Summary
This summary is machine-generated.

Diffuse cystic lung diseases present a diagnostic challenge. High-resolution CT scans and clinical context are crucial for identifying the underlying cause and guiding treatment.

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Cystic Fibrosis Aggregate Biofilm Model to Study Infection-relevant Gene Expression
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Last Updated: May 11, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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Cystic Fibrosis Aggregate Biofilm Model to Study Infection-relevant Gene Expression

Published on: April 18, 2025

Area of Science:

  • Pulmonology
  • Radiology
  • Pathology

Background:

  • Diffuse cystic lung diseases are uncommon and diagnostically challenging.
  • Cystic lung lesions are defined by specific morphologic characteristics and distribution.
  • Numerous conditions can manifest as diffuse cystic lung disease.

Purpose of the Study:

  • To outline the diagnostic approach to diffuse cystic lung diseases.
  • To highlight the role of imaging and clinical correlation in diagnosis.

Main Methods:

  • Review of definitions and classifications of cystic lung lesions.
  • Emphasis on high-resolution computed tomography (HRCT) features.
  • Integration of clinical context and disease progression.

Main Results:

  • Focal/multifocal cystic lesions include blebs, bullae, pneumatoceles, and infections.
  • Diffuse cystic lung diseases encompass conditions like lymphangioleiomyomatosis, Langerhans cell histiocytosis, and interstitial pneumonias.
  • HRCT aids in characterizing lesion morphology, distribution, and associated findings (e.g., lymphadenopathy).

Conclusions:

  • Accurate diagnosis requires correlating HRCT findings with clinical information.
  • Understanding the tempo of the disease is key for diagnostic evaluation.
  • A systematic approach guides management of these rare lung conditions.