Fig. 3
From: Windsock mitral valve after prior aortic valve endocarditis
Representative histopathologic images of the windsock lesion of the anterior mitral valve leaflet, including (A) a low-power full cross-section view of the thickened mitral valve, and (B) a high-power view showing mild chronic inflammation (arrow) and mild fibrosis (arrowhead). There was no evidence of acute endocarditis, and no discrete lesions were identified