Purpose: to evaluate the X-ray appearances and to improve diagnosis and differential diagnosis of non-ossifying fibroma of bone.

目的：探讨骨的非骨化性纤维瘤的X线表现，提高对本病的诊断和鉴别诊断水平。

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Purpose: To explore the diagnosis value of X-ray for ossifying fibroma of the long bone.

目的：探讨长骨骨化性纤维瘤的X线诊断价值。

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Objective: To study the characteristics, diagnosis, treatment and prognosis of non-ossifying fibroma of the long bone in children.

目的：探讨儿童长骨非骨化性纤维瘤的临床特点、诊治方法及预后。

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