CTICasesIatrogenic Esophageal Perforation and Portal Venous Gas
Imaging findings
CT shows pneumomediastinum and extensive gas tracking within the esophageal wall (esophageal dissection) following an endoscopic clip repair of an iatrogenic esophageal perforation. Densely concentrated portal venous gas is also present.
Key takeaways
Esophageal perforation during endoscopy can cause pneumomediastinum and intramural gas dissection. Portal venous gas in this setting can be a benign, transient finding caused by gas entering the intramural venous plexus, resolving with conservative therapy.
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