结论嗅神经母细胞瘤恶性程度高，易侵犯邻近组织器官及血行转移，且易误诊。
Conclusion Olfactory neuroblastoma has more malignant character, invade adjacent tissues or organs easily and transfer by blood, furthermore is missed diagnosis.
易侵犯相邻的椎间盘导致椎间隙狭窄，未见死骨或软组织肿块，偶有脓肿形成，具有多灶性特点。
Pyogenic rachitis easily lead to violations of the adjacent intervertebral space Narrowing, there were parts of the small sequestrum and vertebral body side abscess.
所有病例均属少见且易误诊，尤其是侵犯右胸第10肋骨和胫骨旁的两例更属罕见。
All cases were seldom seen and easy to be misdiagnosed, especially two cases involving right 10th rib and para-tibia were extremely rare.
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