Primary Angiosarcoma of the Breast: A 20-Year Single-Institution Experience in China

Figure 2

Histologic examination showed a high-grade primary breast angiosarcoma. (a, b) Multiple irregular vascular channels anastomosed each other with endothelial cells showing nuclear atypia and hyperchromasia (magnification, ×40, ×200). (c) CD31 positive (magnification, ×200). (d) CD34 positive (magnification, ×200).

(a)

(b)

(c)

(d)