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背景 皮质旁骨肉瘤是发生于长骨干骺端的低度恶性骨肿瘤 ,皮质旁骨肉瘤通常分化较好 ,而且显示出较低的转移性。广泛切除皮质旁骨肉瘤提供了一个相对安全的预防局部复发的方法。我们提出一个切除位于月国窝部位的股骨远端后面的皮质旁骨肉瘤的新方法。它既允许广泛的边界切除
BACKGROUND Paracortical osteosarcoma is a low-grade malignant bone tumor that occurs in the metaphysis of long bones. Paracortical osteosarcoma usually differentiates well and shows low metastasis. Extensive removal of paracortical osteosarcoma provides a relatively safe method of preventing local recurrence. We present a new method for resecting paracortical osteosarcoma behind the distal femur in the lunar fossa region. It allows extensive boundary removal