Case Reports in Cardiology / 2020 / Article / Fig 2

Case Report

Subaortic Membrane Papillary Fibroelastoma

Figure 2

Gross specimens of the resected subaortic membrane (a) and mass (b) which has the classic frond-like appearance after being submerged in water. Histopathology with H&E stain revealing multiple papillae (c) which are avascular and rich in collagen (d) and CD34 staining highlighting the dark single layer of epithelial cells lining the mass.
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