Nerve decompression, Spine reconstruction, Spinal fusion, Spine decompression, Neurofibromatosis, Brain tumor, Ependymo...ma, Choroid plexus papilloma, Meningioma, Chordoma, Oligodendroglioma, Acoustic neuroma, Spinal cord tumor, Brain metastasis, Cerebrovascular disease, Degenerative disk disease, Spinal tumor, Glioblastoma, Pituitary tumor, Astrocytoma, Neurofibroma, Glioma