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Pleural Effusion I: Introduction01:25

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.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...
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:
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...
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:
Pericarditis II: Clinical Features and Diagnostic Tests01:19

Pericarditis II: Clinical Features and Diagnostic Tests

Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
Chronic Inflammation: Introduction01:12

Chronic Inflammation: Introduction

Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...

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Related Experiment Video

Updated: May 15, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
03:22

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion

Published on: November 10, 2023

Organizing Pleuritis Presenting as Recurrent Lymphocyte Predominant, Exudative Effusion.

Hossny Alaws1, Saurabh Ashok Sujanyal1,2, Bhavya Talwar1,3

  • 1Department of Pulmonary and Critical Care Medicine, Mayo Clinic, Jacksonville, FL, USA.

The Permanente Journal
|May 14, 2026
PubMed
Summary
This summary is machine-generated.

Cryptogenic fibrosing pleuritis, a rare condition causing pleural thickening, presents diagnostic and treatment challenges. Medical thoracoscopy offers a less invasive approach for diagnosis and management compared to surgery.

Keywords:
Cryptogenic fibrosing pleuritisMedical thoracoscopyOrganizing pleuritisPleural fibrosisRecurrent pleural effusion

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Point-of-Care Lung Ultrasound in Adults: Image Acquisition
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Point-of-Care Lung Ultrasound in Adults: Image Acquisition

Published on: March 3, 2023

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Last Updated: May 15, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
03:22

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion

Published on: November 10, 2023

Point-of-Care Lung Ultrasound in Adults: Image Acquisition
09:17

Point-of-Care Lung Ultrasound in Adults: Image Acquisition

Published on: March 3, 2023

Area of Science:

  • Pulmonology
  • Thoracic Surgery
  • Pathology

Background:

  • Long-standing pleural effusions can progress to pleural fibrosis, termed cryptogenic fibrosing pleuritis when etiology is unknown.
  • This condition involves persistent exudative effusions and progressive pleural thickening, leading to diagnostic and therapeutic challenges.
  • Limited case studies exist, lacking established evidence-based management strategies; treatments like glucocorticoids and decortication show variable success.

Purpose of the Study:

  • To highlight the diagnostic and therapeutic utility of medical thoracoscopy in managing cryptogenic fibrosing pleuritis.
  • To present a case study illustrating a less invasive treatment approach for this rare condition.

Main Methods:

  • Case presentation of an older male with recurrent pleural effusion and asbestos exposure.
  • Diagnostic workup included repeated thoracenteses, imaging, and medical thoracoscopy with biopsy.
  • Therapeutic intervention involved rapid protocol pleurodesis and tunneled pleural catheter placement.

Main Results:

  • Histopathology confirmed organizing pleuritis, ruling out malignancy.
  • Medical thoracoscopy provided definitive diagnosis and facilitated simultaneous pleurodesis and drainage.
  • The combined approach offered a less invasive alternative to surgical decortication.

Conclusions:

  • Medical thoracoscopy is valuable for diagnosing and managing cryptogenic fibrosing pleuritis.
  • Thoracoscopy combined with pleural drainage strategies presents a less invasive therapeutic option.
  • This approach may be suitable for carefully selected patients, offering an alternative to surgical decortication.