This femur has a large eccentric tumor mass arising in the metaphyseal region.This is an osteosarcoma (a variant known as parosteal osteogenic sarcoma) of bone.
图示骨肉瘤，股骨骺端出现了一大半轮状肿块。
This femur has a large eccentric tumor mass arising in the metaphyseal region.This is an osteosarcoma (a variant known as parosteal osteogenic sarcoma) of bone.
图示骨肉瘤，股骨骺端出现了一大半轮状肿块。
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上例
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