Presentation
Assault.
Patient Data
Age: 60 years
Gender: Female
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Right sided pneumothorax with pleural line seen laterally and well-defined right hemidiaphragm. Differences in opacity between the right and left hemithorax are exacerbated by grid cut-off artefact.
Case Discussion
Supine pneumothoraces are difficult to spot with often only subtle findings (this case was proven on subsequent CT trauma series). And as always, assessment of artefact is important in reading any imaging modality.