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Dec 2012

Violaceous and Ulcerated Plaque Following a Cesarean Section—Diagnosis

Arch Dermatol. 2012;148(12):1412. doi:10.1001/archderm.148.12.1412-a

Histological examination demonstrated a diffuse, dense, “netlike” proliferation of small vessels within the dermis (Figure 2). The endothelial cells stained positively with vascular markers CD31 (Figure 3) and CD34 and were negative for human herpesvirus 8. The pericytes expressed smooth muscle actin. No elevated mitotic activity of the endothelial cells and no cellular atypia were observed.

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