Sporadic versus Radiation-Associated Angiosarcoma: A Comparative Clinicopathologic and Molecular Analysis of 48 Cases

<table>Sheet-like growth pattern, high-grade cytological atypia, and numerous mitotic figures are depicted in this radiation-associated angiosarcoma of the oral cavity. 7/9 cases (77.8%) of radiation-associated tumors in this study were high grade (H&amp;E, 400x).</table>

Sarcoma

fig1

Figure 1

Figure 1: Sporadic versus Radiation-Associated Angiosarcoma: A Comparative Clinicopathologic and Molecular Analysis of 48 Cases 