CTICasesPost-Laparoscopic Capnothorax
Imaging findings
Postoperative chest radiograph shows extensive subcutaneous emphysema, pneumomediastinum, and retroperitoneal gas in the upper abdomen, arising immediately after a robot-assisted laparoscopic partial nephrectomy.
Key takeaways
Capnothorax (pneumothorax/pneumomediastinum/pneumoretroperitoneum containing CO2) is a recognized complication of laparoscopic surgery. The gas is rapidly reabsorbed compared to atmospheric air and can be managed conservatively if the patient is stable.
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