Pleomorphic Hyalinizing Angiectatic Tumor
Supplemental Studies
Immunohistology
- Large pleomorphic cells
- Vimentin positive
- CD34 80% positive
- Small spindled cells
- Factor XIIIa positive
- Negative: S100, keratin, EMA, smooth muscle actin, desmin, CD31
Genetic analysis
- Diploid in 2 cases tested
