对我院彩色超声及介入性超声诊断骶骨小细胞性骨肉瘤1例分析如下。1病历摘要男,19岁。因发现骶尾部包块0.5a就诊,包块初起约蚕豆大小,后逐渐增大,伴疼痛。查体:骶尾部扪及大小8cm×5cm的包块,边界不清,质地中等,有压痛;全身未扪及明显肿大的浅表淋巴结。彩色超声检查:(1)使用频 Color ultrasound and interventional ultrasound diagnosis of sacral small cell osteosarcoma in 1 case as follows. 1 medical record summary male, 19 years old. Due to the discovery of sacrococcygeal mass 0.5a treatment, cirrhosis of the body about the size of beans, then gradually increased, with pain. Physical examination: sacrococcygeal palpable size 8cm × 5cm mass, the boundary is unclear, medium texture, tenderness; the body has not palpable significant superficial superficial lymph nodes. Color ultrasound: (1) frequency of use