PMC8215276_01
Severe pericardial effusion with the pseudocyst within the pericardium. (A) The intrapericardial pseudocyst is seen to the left of the heart. (B) Close-up of the intrapericardial pseudocyst, with multiple septate.
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F1
On echocardiography, a severe pericardial effusion with an oval-shaped, septate, cyst-like lesion within the pericardial space was found (Figure 1).
Showing intraoperative findings. (A) Fatty ligament containing the umbilical vein remnant (arrowhead). (B) Defect of the diaphragm (arrow). (C) Cystic lesion cranial to the diaphragm (asterisk). (D) Both the diaphragm (arrow) and cystic lesion (asterisk).
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F2
The cyst-like, fluid-filled structure was identified cranially to the diaphragm outside the pericardium even though it was difficult to distinguish between pericardium and cyst-like lesion due to adhesions (Figure 2).