病例女 ,３７岁 ,骶尾部疼痛７天 ,呈持续性隐痛 ,阵发性加重。体检骶尾部叩痛 ,余无异常。Ｘ线检查 :骶 ３～５ 椎体右侧骨质呈轻度膨胀性破坏 ,大小约５ ８ｃｍ×５ １ｃｍ ,破坏区内可见粗细不等的骨性分隔 ,边界清 ,内侧可见轻度硬化（图１）。ＣＴ见上述部位骨质破坏区为? The case female, 37 years old, had pain in the sacrococcygeal gland for 7 days and showed persistent persistent pain and increased paroxysm. Physical examination of the end of the Ministry of pain, more than no exception. X-ray examination: 骶 3 ~ 5 bones on the right side of the vertebral body showed mild swelling damage, the size of about 5 8cm × 5 1cm, visible in the destruction area of ​​varying thickness of the bony separation, the border clear, the inside of the visible mild hardening ( Figure 1). CT see bone damage area above?