目的探讨髓内肿瘤伴脊髓全长空洞的诊断、治疗方法及空洞形成机制。

Objective To investigate the diagnosis, treatment and formation mechanism of syringomyelia in intramedullary spinal cord tumor associated with whole spinal cord syringomyelia.

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脊髓内肿瘤两极的空洞形成，考虑与肿瘤压迫，循环障碍，水肿液蓄积有关。

The syrinx located by the ends of spinal cord tumor might be resulted from tumor pressure, circulatory disturbances and edematous fluid accumulation.

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但是，1974年科学家发现，卤代烷化合物是造成臭氧空洞形成的重要原因。

But in 1974 scientists found that the halogen-alkyl compound is the main factor of those can lead to the Ozone cavity.

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