骨膜型骨肉瘤极少见 ,文献只见三十多例 ,国内仅广州孙逸仙纪念医院刘尚礼报告过 1例 ,我院 1991年 9月收治 1例 ,现报告如下 :1　病例介绍 :患者女 ,1岁。 10天前无明显诱因突然右大腿中段明显肿胀、疼痛 ,无高烧、寒战、食欲不振等异常。患肢中部明显肿胀 ,局部皮温较高 ,压 Periosteal osteosarcoma is rare, and only over 30 cases have been reported in the literature. In China, only 1 case was reported by Liu Shangli from Guangzhou Sun Yat Sen Memorial Hospital. In September 1991, 1 case was treated in our hospital. The current report is as follows: 1 Case Introduction: Patient Female, 1 year old. Ten days ago, there was no obvious cause of sudden swelling in the middle of the right thigh, pain, no fever, chills, loss of appetite and other abnormalities. The middle part of the affected limb is obviously swollen and the local skin temperature is higher.