I have 2 failed back surgeries on the lumbar region, with a huge cyst in my spinal canal. I had a new amri last week, & my doctor is referring me to a neurosurgeon for sweling at the L4 level & other things he did not discuss. Has anyone else had this & what was your outcome? I don't want more surgery for sure, but sometimes my legs go dead & fall flat on my face. Can anyone help with this question?