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 +0  (nbme18#19)

Osteosarcoma histological appearance. Paget disease is one of risk factor

spow  Looking back, I know it's osteosarcoma but the lung metastases made me think of Ewing's
makinallkindzofgainz  Ewing sarcoma is common in boys <15 years old. This patient is a 70 year old woman. The stem notes elevated periosteum and a sunburst pattern which are characteristic of osteosarcoma.
llamastep1  Also "sunburst pattern" is a classic description of Osteosarcoma.




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