Oral Intravascular Papillary Endothelial Hyperplasia Associated with an Organizing Thrombus: Case Report and Immunohistochemical Analysis

<div>Immunohistochemical findings. CD34 was strongly positive highlighting the papillary endothelial proliferation (a) with low Ki-67 proliferation index (4%) (b). D2-40 was negative (notice the hemosiderin deposits) (c), whereas <i>α</i>-SMA stained the vessel walls (d) (all figures, ×10; all insets ×40).</div>

Case Reports in Pathology

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Figure 3: Oral Intravascular Papillary Endothelial Hyperplasia Associated with an Organizing Thrombus: Case Report and Immunohistochemical Analysis 