CTICasesBicuspid Aortic Valve Aortopathy (Left-Right Fusion Pattern)
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Imaging findings
Cardiac CT demonstrates a calcified bicuspid aortic valve with a left-right leaflet fusion pattern, leading to a larger non-coronary cusp. The ascending aorta is mildly dilated, predominantly involving the right lateral aspect of the vessel.
Key takeaways
Bicuspid aortic valve (BAV) aortopathy exhibits distinct geometric patterns of dilatation depending on the specific leaflet fusion type. Left-right coronary cusp fusion is classically associated with eccentric wall shear stress leading to mid-ascending aortic dilatation, whereas right-noncoronary cusp fusion frequently involves the proximal arch.
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