Figure 1From: Primary extraskeletal osteosarcoma of omentum majusHistological section (A) showing tumor arising from the omentum (×40, H&E); B) showing calcificied neoplastic osteoid among the tumour cells and osteoclastic giant cells (×400, H&E)). Immunohistochemical section showed intensive positive reaction with Vimentin (C) and CD99 (D) (×200).Back to article page