FIGURE LEGENDS
FIGURE 1
Macroscopic findings. A. Intraoperative findings showing black
pigmentation in the aortic lumen and aortic valve leaflet. B. Black
pigmentation extending to the left ventricular outflow tract and
anterior leaflet of the mitral valve (arrow) after aortic valve leaflet
excision. C. Resected aortic valve leaflets. The leaflets have black
patches with calcification, but the edges of the cusps are relatively
free from degenerative changes.
FIGURE 2
Histopathological examination of the excised aortic valve leaflets
showing dark-brown pigment deposition in the valve cusps, associated
with calcium nodules.