CTICasesCoronary Artery Pseudoaneurysm
Imaging findings
Coronary CTA in a 33-year-old female post-pregnancy demonstrates a small pseudoaneurysm (localized bulge) of the left main coronary artery, arising at the site of a prior spontaneous coronary artery dissection (SCAD).
Key takeaways
Spontaneous coronary artery dissection (SCAD) is a non-traumatic, non-atherosclerotic cause of myocardial infarction, most commonly occurring in young women during the peripartum period. Healing of the dissection flap can occasionally lead to localized weakening of the arterial wall and pseudoaneurysm formation, which requires close imaging follow-up to monitor for enlargement or rupture risk.
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