Table 1.

 Runx2/Cbfa1 and NFκB (p65) immunoreactivity scores in human osteosarcoma

Pathology report	Runx2/Cbfa1	NFκB (p65)
High grade osteosarcoma (pleomorphic)	2+	3+
Chondroblastic osteosarcoma	3+	3+
Low grade parosteal osteosarcoma	2+	3+
Low grade chondroblastic osteosarcoma	2+	3+
High grade osteosarcoma	1+	3+
Chondroblastic osteosarcoma	2+	2+
High grade osteosarcoma	2+	2+
Osteosarcoma, fibroblastic variant	1+	2+
High grade osteosarcoma (pleomorphic)	2+	3+
High grade osteosarcoma (pleomorphic)	2+	3+
High grade osteosarcoma	2+	3+