CTICasesCongenital Lobar Overinflation Presenting with Spontaneous Pneumothorax in an Adult
Imaging findings
A 23-year-old woman presents with spontaneous pneumothorax and left lung collapse. Post-chest tube CT reveals residual pneumothorax and a distinct, bubbly lesion within the left upper lobe, exhibiting a sharp posterior boundary.
Key takeaways
This case demonstrates congenital lobar overinflation (formerly congenital lobar emphysema) presenting unusually in adulthood as a cause of spontaneous pneumothorax. While typically diagnosed in infancy, this entity can manifest incidentally or with complications later in life, and resection of the affected segment is often necessary to prevent recurrence.
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