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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: 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.
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations01:19

Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations

Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...
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

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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

Pulmonary eosinophilic infiltrates.

G Rossi1, A Tironi, R Dore

  • 1Section of Pathologic Anatomy, Azienda Ospedaliero-Universitaria Policlinico di Modena, Modena, Italy. rossi.giulio@policlinico.mo.it

Pathologica
|March 25, 2011
PubMed
Summary
This summary is machine-generated.

Pulmonary eosinophilic infiltrates are diverse lung disorders with eosinophils. Diagnosis requires integrating pathology, lab tests, imaging, and clinical data for effective treatment.

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Area of Science:

  • Pulmonology
  • Pathology
  • Internal Medicine

Background:

  • Pulmonary eosinophilic infiltrates encompass a heterogeneous group of lung disorders.
  • Eosinophils in the lungs, detected via bronchoalveolar lavage or biopsy, characterize these conditions.
  • Etiologies include idiopathic, secondary (drugs, infections, toxins), and associated lung diseases.

Purpose of the Study:

  • To highlight the diagnostic challenges and multidisciplinary approach required for pulmonary eosinophilic infiltrates.
  • To emphasize the role of pathologists in identifying eosinophils in lung tissue.
  • To underscore the importance of integrating clinical, radiological, and laboratory findings for accurate diagnosis and treatment.

Main Methods:

  • Review of diagnostic criteria for pulmonary eosinophilic infiltrates.
  • Emphasis on histopathological examination of lung tissue (cytology or biopsy).
  • Integration of clinical presentation, imaging studies, and laboratory test results.

Main Results:

  • Diagnosis of certainty is rarely based on morphology alone.
  • Some pulmonary eosinophilic diseases are diagnosable via clinical and radiological findings, potentially obviating biopsy.
  • Pathologists are often the first to identify eosinophils in critically ill patients.

Conclusions:

  • Accurate diagnosis of pulmonary eosinophilic infiltrates necessitates a comprehensive approach.
  • Close collaboration between pathologists and other clinicians is crucial.
  • Effective treatment strategies depend on precise diagnosis informed by integrated data.