The Role of Osteocalcin and Alkaline Phosphatase Immunohistochemistry in Osteosarcoma Diagnosis

Figure 1

OCN immunoreactivity: (a) positive immunoreactivity of OCN in OPBT (Ewing’s Sarcoma) score 12 (200x), (b) negative immunoreactivity of OCN in Osteosarcoma, score 2 (200x), and (c) negative control (Osteosarcoma, 200x).

(a)

(b)

(c)