CTICasesPostoperative Seroma in Hernia Sac
Imaging findings
CT chest and abdomen obtained 5 days after laparoscopic repair of a hiatal hernia show a large, well-circumscribed, homogeneous fluid collection in the lower mediastinum surrounding the esophagus, without gas or surrounding inflammatory changes. An esophagogram confirmed no contrast leak.
Key takeaways
Following laparoscopic hiatal hernia repair, a benign seroma or fluid collection can develop in the former hernia sac. When homogeneous and lacking gas, these collections represent normal postoperative fluid accumulation and should not be mistaken for an abscess or leak, resolving spontaneously with conservative management.
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