Magnetic resonance imaging and computed tomographic myelography revealed a huge intraspinal extradural meningeal cyst extending from T12 to L3 with cord and dural sac compression.

• 核磁共振影像检查及电脑断层脊髓摄影显现一巨大脊椎内硬脊膜外脑脊膜囊肿，范围分布自胸椎第十二节至腰椎第三节，造成前侧脊髓及脊膜腔严重的压迫。