The differential diagnosis of epidural cavernous hemangioma on MR image includes neurogenic tumors, meningiomas, lymphomas, spinal angiolipoma, and metastasis.

• 而发生于脊椎硬脑膜上之海绵状血管瘤是相当少见的血管性肿瘤，其磁振造影图象之鉴别诊断有神经瘤、膜瘤、巴瘤、椎血管脂肪瘤、转移性肿瘤等。