PMC2685995_01
Bony mass in the left maxilla and extended to the right temporal bone.
JO2009-876138.001.jpg
PMC2685995_01_JO2009-876138.001.jpg
fig1
Computed tomography (CT) demonstrated a large bony mass in the right maxilla that extended into temporal bone (Figure 1).
Section from the biopsy specimen
showing a chondroblastic osteosarcoma which contains dominating chondroid
substance (right side) and osteoid trabeculae derived from neoplastic cells
(center) (He x 185).
JO2009-876138.002.jpg
PMC2685995_01_JO2009-876138.002.jpg
fig2
Immunohistochemistery showed diffuse positivity to vimentin and S100 protein antibodies (Figure 2).