CTICasesMyocardial Bridging of the Left Anterior Descending Artery
[...]. Myocardial Bridging of the Left Anterior Descending Artery. CTICases. Published December 16, 2016. https://str-case-explorer.pages.dev/c/dx922
Imaging findings
Coronary CTA shows a segment of the mid-left anterior descending coronary artery diving into the myocardium, demonstrating characteristic tapering, with post-surgical changes and a clip visible after prior chest wall repair and surgical unroofing of the bridged segment. Axial CTA also reveals an incidental left atrial septal pouch as a benign embryologic remnant.
Key takeaways
Myocardial bridging is a common congenital anatomic variant in which a segment of an epicardial coronary artery runs intramyocardially. While typically benign and asymptomatic, it is occasionally associated with angina or ischemia; however, surgical unroofing is rarely indicated and may not improve clinical symptoms.
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