Surgical Pathology Criteria

Solitary Fibrous Tumor

Supplemental Studies

Immunohistology

CD34

>90%
bcl2 >90%
CD99 70-90%
Factor XIIIa 80%
Beta catenin 20%
S100 <10%
Smooth muscle actin <10%
Keratin <5%*
Desmin negative
CD117 negative
Calretinin 13%
*One report of 11% focal pos (Barak 2012)

Stanford Medicine Resources:

Footer Links: