extramedullary tumors的意思|示意

Results:There were 26 intraspinal extramedullary tumors, 4 intramedullary tumors, 11 myelitis, 3 localized ischemic necrosis or malacia of spinal cord.

结果：椎管内髓外肿瘤2 6例，髓内肿瘤4例，脊髓炎症11例，脊髓局限性坏死软化3例。

Objective: to evaluate the MR signs of primary subdural extramedullary tumors so as to improve the level of diagnosis and differential diagnosis.

目的：分析评价髓外硬膜下肿瘤的MRI表现及影像学特征，提高诊断与鉴别诊断水平。

Conclusion: Most of cervical extramedullary tumors can be removed through posterior approach.

结论：多数高颈段髓外肿瘤可经颈后中线入路手术全切。

There were 9 cases of subdural extramedullary tumors, 6 of epidural tumors and 8 of dumbbell tumors.

其中髓外硬膜下肿瘤9例，髓外硬膜外肿瘤6例，哑铃形肿瘤8例。

Results Extramedullary tumors were found in 34 cases, mainly including neurinoma and meningioma, and intramedullary tumors in 5 cases.

结果髓外肿瘤34例，以神经鞘瘤和脊膜瘤为主；髓内肿瘤5例。

Objective: To evaluate the usefulness of low-field MRI in diagnosing intradural extramedullary tumors in the spinal canal.

目的探讨低场强MRI对椎管内髓外硬膜下肿瘤的临床诊断价值。