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Pathology of Lambl excrescences. (a) Gross specimen of Lambl excrescences on aortic valve closure margin and leaflet edges, (b) Fibroelastic fronds, surrounded by a single cell layer of endothelium.
Abbreviations: H & E stain, hematoxylin and eosin; VVG stain, Verhoeff–Van Gieson stain.
