“…Spinal meningiomas typically attach to the dura, and non-dural spinal meningiomas are rare 1 , 7 , 10 , 12) . Eighteen cases of non-dural based spinal meningiomas have been reported to date ( Table 1 ) 2 , 3 , 4 , 6 , 8 , 9 , 11 , 13 , 14 , 16 , 17 , 18 , 19 , 20 , 21 , 22) . Most tumors in these cases occur in the lumbo-sacral region (16 cases), including the thoraco-lumbar junction (two cases) 2 , 3 , 4 , 6 , 8 , 9 , 11 , 13 , 14 , 16 , 17 , 18 , 19 , 20 , 22) .…”