题目内容
关于骨巨细胞瘤，下列错误的是
2021-11-18
A.是一种介于良恶性之间的溶骨性骨肿瘤
B.好发年龄20〜40岁
C.好发于股骨下端和胫骨上端
D.X线显示骨端偏心性溶骨性破坏
E.治疗以化疗和放疗为主
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