Loculated pneumothorax

A loculated pneumothorax is a form of pneumothorax where a pocket of pleural air is trapped within a localised area. They may occur in a number of situations including in patients with acute respiratory disease treated with mechanical ventilation 1 and status post pleural aspiration in the context of previous pleural inflammation or pleurodesis.

Differential diagnosis

On a chest radiograph they may be mistaken as a focal subpleural bullous space

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Article information

rID: 55909
System: Chest
Synonyms or Alternate Spellings:
  • Loculated pneumothoraces
  • Loculated thoracic air collection

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Cases and figures

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