Fig. 2From: Pseudomyogenic hemangioendothelioma of bone treated with denosumab: a case reportPathological findings. a and b Hematoxylin–eosin staining showed proliferation of spindle and epithelioid cells with eosinophilic cytoplasm, which was compatible with the diagnosis of pseudomyogenic hemangioendothelioma. c and d Immunohistochemical studies showed that the tumor cells were positive for ERG and FOSBBack to article page