Conclusion: Tumour local aggression and distant metastasis were the main lethal factors of PTC.
结论：肿瘤局部侵犯及血行转移是主要致死因素。
Background: Giant cell tumor of bone (GCT) is frequently seen in bone tumors, with local aggression and high risk of recurrence.
背景：骨巨细胞瘤是一种常见的骨肿瘤，其有较强的局部侵蚀性，术后复发率较高。
Background: Giant cell tumor of bone (GCT) is frequently seen in bone tumors, with local aggression and high risk of recurrence.
背景：骨巨细胞瘤是一种常见的骨肿瘤，其有较强的局部侵蚀性，术后复发率较高。
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