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Spinal tumors are neoplasms located in the spinal cord. Extradural tumors are more common than intradural neoplasms. Depending on their location, the spinal cord tumors can be: * Extradural - outside the dura mater lining (most common) * Intradural - part of the dura * * Intramedullary - inside the spinal cord * *Extramedullary- inside the dura, but outside the spinal cord ==Pathology== Extradural tumors are mostly metastases from primary cancers elsewhere (commonly breast, prostate and lung cancer). Intradural tumours can be classified as intramedullary (within the spinal parenchyma) or extramedullary (within the dura, but outside the spinal parenchyma). Extramedullary tumours are more common than intramedullary tumours. Common extramedullary tumours include meningiomas, schwannomas, extramedullary ependymomas, haemangioblastomas, while intramedullary tumours include astrocytomas and intramedullary ependymomas. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「spinal tumor」の詳細全文を読む スポンサード リンク
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