CTICasesPseudo-Mass from Large Inferior Pulmonary Vein Pericardial Recess
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Imaging findings
A chest radiograph, obtained for chest pain, showed an opacity. Subsequent CT scan, for an unrelated reason, revealed a large pericardial recess situated under the inferior pulmonary vein, which corresponded to the radiographic abnormality. Coronal views further demonstrate this recess and the adjacent vein.
Key takeaways
This case highlights a pitfall in chest radiography where a large pericardial recess can mimic a mediastinal mass. Recognition of this normal anatomical variant, particularly the inferior pulmonary vein pericardial recess, is crucial to avoid misdiagnosis and unnecessary workup for a "pseudo-mass."
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