Figure 5. The tumor is comprised of many spindle cells (showing features of malignancy) that are surrounding islands of bright pink osteoid matrix (asterix) (H&E stain, 400x magnification).
Figure 5. The tumor is comprised of many spindle cells (showing features of malignancy) that are surrounding islands of bright pink osteoid matrix (asterix) (H&E stain, 400x magnification).