相反原发性上颌骨恶性肿瘤则呈浸润性生长，骨质不规则破坏，大量瘤骨或瘤软骨形成、骨膜反应和软组织肿块等。
On the contrary, primary malignant maxillary tumor showed invasive growth, irregular bony destruction with massive bony or chondral tumor, periosteal reaction and soft tissue mass.
目的探讨肢体恶性肿瘤切除后行大段同种异体骨关节移植、骨与软组织的修复重建及术后肢体功能康复的方法。
Objective To evaluate the results of limb function and the methods of bone and soft tissue reconstruction of patients treated with allografting.
目的：研究骨与软组织恶性肿瘤保肢术前的介入治疗临床疗效。
Objective To study the clinical siginificance of chemoembolization for bone and soft tissues malignant tumours before limb salvage operations.
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