Fig. 4From: Pleural epithelioid angiosarcoma with lymphatic differentiation arisen after radiometabolic therapy for thyroid carcinoma: immunohistochemical findings and review of the literature a Positive immunostaining for CD31. b-c Negative immunostaining for CD34 (b) FVIII (c) and WT1 (d). A few non-neoplastic positive vascular spaces have been used as internal positive control. e Vacuolar/paranuclear positive pattern of CD99. f Positive nuclear immunostaining for c-MYC. a-f: 200×, immunoperoxidase stainBack to article page