Caseous Necrosis of Mitral Annulus

Figure 1

T1-weighted (a) and T2-weighted (b) turbo spin echo images show hypointense round mass-like lesion (black and white arrows). Delayed postcontrast cardiac MRI image (c) shows peripheral enhancement (black arrow). Multislice noncontrast computed tomography image (d) shows round calcification (black arrow) located in mitral annulus.

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