MYC Amplification in Angiosarcoma Arising from an Arteriovenous Graft Site

Figure 1

Microscopic examination, biopsy material. The conspicuous clusters of malignant epithelioid cells dominate the picture and could give rise to a broad differential diagnosis that includes carcinoma and melanoma. The poorly formed vascular channels in the background could easily be overlooked. Immunohistochemistry was key (inset).