Figure 2.

Microscopically, the tumor cells exhibited pleomorphic spindle tumor cells composed of (A) predominant myofibrous differentiation, (B) rhabdoid with chondroid differentiation, (C) osteoid differentiation. Unlike metaplasia, neoplastic osteosarcoma cells are usually surrounded by deposited osteoid material and (D) focal myxomatous differentiation (hematoxylin and eosin staining, ×200).

Li et al. Diagnostic Pathology 2011 6:35   doi:10.1186/1746-1596-6-35
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