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Related Concept Videos

Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

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Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
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The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...
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Pleural Effusion II: Symptoms and Management01:28

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Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
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Pleural Disorders: Types and Brief Description01:30

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The pathophysiology of pneumonia involves the following steps:
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The respiratory zone of the human body, which stands in contrast to the conducting zone, comprises the structures that actively participate in the exchange of gases. The initiation of this zone is marked by the terminal bronchioles converging into respiratory bronchioles, the tiniest bronchiole classification. The respiratory bronchioles give way to the alveolar ducts that opens into a congregation of alveoli. Actively involved in gas exchange, alveoli resemble tiny sacs similar to clusters of...
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Point-of-Care Lung Ultrasound in Adults: Image Acquisition
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Corpora amylacea in pleural effusion.

Haresh Mani1, Brant G Wang1

  • 1Department of Pathology, Inova Fairfax Hospital, Falls Church, Virginia, USA.

Diagnostic Cytopathology
|December 21, 2020
PubMed
Summary
This summary is machine-generated.

Corpora amylacea, typically found in the brain, prostate, and lung, were identified in pleural effusion. This case highlights their presence in a new location and discusses diagnostic considerations.

Keywords:
corpora amylacealupuspleural effusion

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Area of Science:

  • Neuropathology
  • Pulmonology
  • Rheumatology

Background:

  • Corpora amylacea are hyaline bodies commonly identified in the central nervous system, prostate, and lungs.
  • Their composition suggests a role in cellular protection and waste clearance mechanisms.
  • Previous literature has not extensively documented corpora amylacea outside of these primary sites.

Observation:

  • The presence of corpora amylacea was identified within pleural effusion fluid.
  • The patient presented with systemic lupus erythematosus, a condition known for diverse organ involvement.
  • This finding represents an unusual localization of corpora amylacea.

Findings:

  • Corpora amylacea were detected in the pleural effusion of a patient with lupus.
  • Histopathological examination confirmed the presence of these structures.
  • The study discusses the differential diagnoses for corpora amylacea in this context.

Implications:

  • The identification of corpora amylacea in pleural effusion expands the known anatomical distribution of these bodies.
  • This finding may necessitate reconsidering differential diagnoses in cases of pleural effusions, particularly in patients with autoimmune conditions.
  • Further research is warranted to understand the functional significance and pathobiology of corpora amylacea in extraparenchymal locations.