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Updated: May 2, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
Published on: November 10, 2023
[Pleurisy of unexpected etiology: a foreign body within the pleural cavity]
Abstract:
Following three brief clinical reports, we review the literature concerning a rare cause of exudative pleural effusion: the presence of a foreign body in the pleural cavity. Frequently iatrogenical, this rare etiology of pleural effusion must be envisaged when this complication develops after any invasive peri-thoracic surgery and must be included in the differential diagnosis of recurrent pleural effusions. These effusions have a favorable prognosis after withdrawal of the foreign body.
Insights
Foreign bodies in the pleural cavity can cause exudative pleural effusion, often after surgery. Removing the foreign body leads to a favorable prognosis for these rare effusions.
Area of Science:
- Medicine
- Pulmonology
- Thoracic Surgery
Background:
- Exudative pleural effusion is a significant clinical condition.
- Rare causes of pleural effusion require thorough investigation.
- Iatrogenic complications can arise from invasive procedures.
Observation:
- Presents three clinical reports of foreign bodies in the pleural cavity.
- Reviews literature on foreign bodies as a cause of pleural effusion.
- Highlights the iatrogenic nature of many such cases.
Findings:
- Foreign bodies in the pleural cavity are a rare cause of exudative pleural effusion.
- This complication is often associated with invasive peri-thoracic surgery.
- Recurrent pleural effusions warrant consideration of this etiology.
Implications:
- Early recognition and diagnosis are crucial for effective management.
- Withdrawal of the foreign body is the primary treatment.
- Prompt intervention leads to a favorable prognosis for patients.
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