Fig. 5From: Patient with composite haemangioendothelioma containing angiosarcoma-like areas in the setting of congenital lymphoedema mimicking Stewart-Treves syndrome: a case reportLight microscopy of high grade angiosarcoma-like component of the composite hemangioendothelioma - infiltrative vascular tumour consisting of erythrocytes filled slit-like spaced dissecting the dermis and more-solid areas with residual lumen formation. The neoplastic cells show high grade atypia with large vesicular nuclei and prominent nucleoli. Bizarre nuclei are also present. Numerous mitotic figures and chronic inflammation can be found (H&E staining, 200-400x)Back to article page