患男,2岁。以左腿站立不稳1年,破行3个月之代诉就诊。1年前发现患儿站立不稳,右腿着力时不受影响,左腿着力时易跌倒。近3月来,患儿会走路,但行走时跛行明显,无疼痛及寒战发热等全身症状。查体:T36℃,精神状态良好,心肺腹均无异常。左侧胫骨段明显变粗,侧弯畸形,表面光滑,局部不红不肿,无热感无压痛,轻微叩 Male, 2 years old. Stand left leg instability for 1 year, breaking the line for 3 months on behalf of the prosecution. A year ago found that children standing instability, right leg effort is not affected, easy to fall left leg effort. In the past 3 months, children have walked, but obvious limpness during walking, no general symptoms such as pain and chills and fever. Physical examination: T36 ℃, mental state is good, no abnormal heart and lung abdomen. Left tibial segment was significantly thicker, scoliosis deformity, the surface is smooth, the local non-red non-swelling, no heat without tenderness, slight knock