Fig. 5From: Maxillary epithelioid hemangioendothelioma: an especially rare malignant tumor mimicking periodontal diseasea–c Immunohistochemical staining: 100% Positive tumor cells cytoplasmic reaction (arrow) for CD31 × 10 (a); 100% positive tumor cells cytoplasmic reaction (arrow) for CD34 × 10 (b); 100% positive tumor cells nuclei reaction (arrow) for ERG × 20 (c)Back to article page