cd34: negative s-100: negative actin: negative desmin: negative cytokeratin: negative fgf-23:...

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Slide 2 Slide 3 Slide 4 Slide 5 Slide 6 Slide 7 Slide 8 Slide 9 CD34: negative S-100: negative Actin: negative Desmin: negative Cytokeratin: Negative FGF-23: not-available DDX: -Hemangiopericytoma -Glomus tumor -Smooth muscle tumor -Rhabdomyoma Slide 10 Oncogenic osteomalacia Phosphaturia-associated mesenchymal tumor -Phosphaturic mesenchymal tumor- mixed connective tissue variant - Hemangiopericytoma - hemangiopericytoma like tumor - hemangiopericytoma/SFT - Enchondroma - Sclerosing osteosarcoma - hemangioma of bone Our case Slide 11 Phosphaturic mesenchymal tumor- mixed connective tissue variant AM J Surg Pathol 28 Jan 2004 p.1- Slide 12 Phosphaturic mesenchymal tumor- mixed connective tissue variant AM J Surg Pathol 28 Jan 2004 p.1- Slide 13 Phosphaturia- associated mesenchymal tumor 2 Uncertain: hemangiopericytoma like 1 hemangiopericytoma/SFT 1 Enchondroma 1 sclerosing osteosarcoma AM J Surg Pathol 28 Jan 2004 p.1-