Methods: Six children (male 2, female 4, mean age 10.1 years) with no n-ossifying fibroma of long bone were admitted from 1988 to 1997.

• 1997年收治发生在长骨的非骨化性纤维瘤6例。其中男2例；女4例；平均年龄10.；1岁。单发病灶在胫骨4例;