研究背景：胸腰段脊髓最重要的灌注动脉是大前根动脉，也称Adamkiewicz动脉。

Summary of Background Data. The most important feeding artery of the thoracolumbar spinal cord is the great anterior radiculomedullary artery, also called the artery of Adamkiewicz.

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结果2 例病变位于颈段脊髓内，5 例在胸段脊髓内。5 例畸形血管由脊髓前动脉供血，2 例由脊髓后动脉供血。

Results Among the 7 patients, 2 patients the lesions were in the cervical and 5 patients lesions were in thoracic. 5 on anterior spinal artery and 2 on posterior spinal artery.

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