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当前学科：骨与软组织肿瘤
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患者男，10岁，诉右小腿中下段反复酸痛半年。查体：右小腿中下段无明显肿胀，重压痛，踝关节活动正常。影像学示右胫骨干骺端有一约1.5cm×2.5cm大小偏心性溶骨性破坏，可见硬化边缘，皮质完整。对于最可能的诊断是（）
A . A.骨化性纤维瘤
B . 良性纤维组织细胞瘤
C . 非骨化性纤维瘤
D . 纤维结构不良
E . 骨巨细胞瘤
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