Figure 3
From: Asymptomatic papillary fibroelastoma of the Aortic valve in a young woman - a case report
The histological specimen in the hematoxylin & eosin stain (magnification ×40). A benign lesion with multiple papillary fronds is shown. Histologically, endothelium surrounds core of loose connective tissue consisting of acid mucopolysaccharide matrix, smooth cells, collagen, and elastin fibers.
