CTICasesDiaphragmatic Hernia from Remote Chest Tube Placement
Imaging findings
A focal rounded opacity in the lateral basal left hemithorax, present on a prior study and slightly larger years later, corresponds on CT to a focal defect in the lateral left hemidiaphragm through which a small amount of fat has herniated into the chest.
Key takeaways
There was no known history of stabbing injury, but the patient had undergone chest tube placement for an empyema many years earlier. The hernia is presumed to represent a delayed sequela of a chest tube that passed through the diaphragm and created a small defect, illustrating an under-recognized iatrogenic mechanism for a focal diaphragmatic hernia.
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