Presentation
Status post subdural evacuation with positive pressure ventilation became short of breath.
Patient Data
![](https://prod-images-static.radiopaedia.org/images/452576/a48c419809c3905960fe93ec7b6a6f_big_gallery.jpg)
A large lucent area with surrounding compressed lung is noted on the right without convincing shift of the mediastinum.
![](https://prod-images-static.radiopaedia.org/images/452580/605d5ce315e05c25bad5604ab659ff_thumb.jpg)
![](https://prod-images-static.radiopaedia.org/images/452582/90a07748582aebfb09ae1412c579ef_thumb.jpg)
![](https://prod-images-static.radiopaedia.org/images/452580/605d5ce315e05c25bad5604ab659ff_big_gallery.jpg)
Single coronal and axial CT images demonstrating extensive adhesions at the right apex with a pneumothorax.
![](https://prod-images-static.radiopaedia.org/images/452579/a9f24f27096975f1f77b9695962df8_big_gallery.jpg)
The preoperative chest x-ray demonstrates extensive scarring, particularly in the right apex.
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
Case Discussion
Loculated pneumothoraces can be challenging to diagnose.