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Related Concept Videos

Pleural Disorders: Types and Brief Description01:30

Pleural Disorders: Types and Brief Description

The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are:
Pleura of the Lungs01:13

Pleura of the Lungs

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 I: Introduction

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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Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

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:
Pneumothorax II: Pathophysiology01:08

Pneumothorax II: Pathophysiology

Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance between...
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Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:

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Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
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[A man with pleural lesions].

Marit E J Leermakers1, Rudi M H Roumen

  • 1Máxima Medisch Centrum, afd. Algemene Heelkunde, Veldhoven, the Netherlands.

Nederlands Tijdschrift Voor Geneeskunde
|January 26, 2011
PubMed
Summary
This summary is machine-generated.

A patient with liver metastasis from colorectal cancer also had calcified pleural plaques. These plaques, observed during surgery, are linked to his history of asbestos exposure.

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Area of Science:

  • Occupational Medicine
  • Thoracic Surgery
  • Oncology

Background:

  • A 65-year-old male presented with colorectal cancer that had metastasized to the liver.
  • Computed tomography (CT) imaging revealed benign calcified pleural plaques.
  • The patient reported a 25-year occupational history involving asbestos exposure.

Observation:

  • A 65-year-old male with metastatic colorectal cancer presented with incidentally discovered benign calcified pleural plaques on CT imaging.
  • During liver resection, white plaques were noted on the diaphragm and within the thorax.
  • The patient reported a 25-year occupational history of asbestos work.

Findings:

  • The observed pleural plaques are consistent with benign asbestos-related changes.
  • The presence of plaques in a patient with CRC and asbestos exposure underscores the potential for co-existing asbestos-related conditions.
  • Asbestos-related pleural disease can be asymptomatic and incidentally found.

Implications:

  • This case emphasizes the importance of considering occupational history in patients with unexplained pleural abnormalities, even in the context of other serious diseases.
  • Clinicians should be aware of the potential for asbestos-related pleural disease in individuals with a history of asbestos exposure, regardless of their primary diagnosis.
  • Further investigation into asbestos exposure history is crucial for comprehensive patient assessment and management.