Surgical Pathology Criteria

Giant Cell Fibroblastoma

Supplemental Studies

Immunohistology

CD34 Nearly 100%, may be weak
CD31 Negative
Actin Negative except for myoid whorls
Keratin Negative
S100 Negative
Desmin Negative

Genetic studies

t(17;22) with fusion of COL1A1 and PDGFB

Stanford Medicine Resources:

Footer Links: