CTICasesMitral Valve Leaflet and Chordal Calcification
Imaging findings
Chest CT shows dense, florid calcification of the mitral valve annulus that extends directly into the mitral valve leaflets and chordae tendineae, presenting as elongated, calcified strings protruding into the left ventricular lumen. Aortic valve leaflet calcification is also present.
Key takeaways
While mitral valve calcification typically involves only the fibrous annulus (mitral annular calcification), it can occasionally extend into the valve leaflets and chordae tendineae in elderly individuals. This can lead to mitral stenosis or regurgitation. It is a benign dystrophic calcification that must be recognized on CT to avoid misinterpretation as a foreign body, thrombus, or cardiac mass.
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