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1 病历简介患儿男 ,2周岁。半年前发现行走时右腿跛行 ,右臀部可触及软组织样包块。骨盆Ｘ线平片见右髂骨巨大椭圆形骨质缺损 ,其外下并有不规则骨质破坏区 (图 1)。ＣＴ显示右髂骨大部骨质破坏 ,破坏缘骨质锐利 ,破坏区被软组织填充 ,并主要向盆腔内破入 ,肿瘤界限清楚 (图 2
1 medical records children with children, 2 years of age. Half a year ago found the right leg when walking limp, right hip can touch the soft tissue mass. Pelvic X-ray plain right iliac bone see a huge oval bone defect, its outside and there is irregular bone destruction area (Figure 1). CT showed the destruction of most of the right ilium bone destruction, destruction of marginal bone and sharp destruction of the area was filled with soft tissue, and mainly to the pelvic rupture, clear tumor boundaries (Figure 2