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分析18岁以下经病理证实的骨肿瘤及瘤样病变267例。其中良性骨肿瘤168例，占62。92％，恶性骨肿瘤64例，占23．97％，瘤样病变35例，占13．11％。良恶性之比为2．63：1，男性多于女性，多发生于9～18岁。良性骨肿瘤中以骨软骨瘤最多见，其余依次为骨瘤，骨化性纤维瘤，血管瘤和骨巨细胞瘤（Ⅰ、Ⅱ级）等。恶性骨肿瘤中以骨肉瘤最多见，其余依次为龙文氏瘤，骨旁骨肉瘤，转移癌，软骨肉瘤，血管外皮细胞瘤等。并发现小儿骨肿瘤具有不同于成人的特殊分布特点。
267 cases of pathologically confirmed bone tumors and tumor-like lesions under 18 years of age were analyzed. 168 cases of benign bone tumors, accounting for 62.92%, 64 cases of malignant bone tumors, accounting for 23.97%, tumor-like lesions in 35 cases, accounting for 13.11%. The ratio of benign and malignant was 2.63: 1, more men than women, occurred in 9 to 18 years old. Osteochondroma is the most common type of benign bone tumor, followed by osteoma, ossifying fibroma, hemangioma and giant cell tumor (Ⅰ, Ⅱ). Osteosarcoma is the most common malignant bone tumor, with the others being Rheumatoid, osteosarcoma, metastatic carcinoma, chondrosarcoma and hemangiopericytoma. And found that pediatric bone tumor has a special distribution characteristics different from adults.