CTICasesPericardial Diverticulum
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[...]. Pericardial Diverticulum. CTICases. Published August 14, 2015. https://str-case-explorer.pages.dev/c/3fhgb
Imaging findings
Incidental mediastinal fluid structure noted on CT, demonstrating a "tail" or attachment connecting it anteriorly to the pericardium, specifically to the anterior recess. This morphology distinguished it from a simple cyst.
Key takeaways
Pericardial diverticula are outpouchings of the pericardial sac that communicate with the pericardial cavity. They can mimic pericardial cysts but are characterized by their connection to the pericardium, often appearing with a "tail," and may change in appearance with patient position or between scans.
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