Brain tumor surgery, Spinal fusion, Deep brain stimulation, Spine procedure, Stereotactic radiosurgery, Back surgery, L...aminectomy, Spine decompression, Spine reconstruction, Spine tumor surgery, Cervical spine fusion, Revision spinal surgery, Cervical spine surgery, Minimally invasive lumbar spinal fusion, Minimally invasive spinal fusion, Minimally invasive thoracic spinal fusion, Minimally invasive cervical spinal fusion, Glioblastoma, Brain tumor, Brain metastasis, Acoustic neuroma, Glioma, Neurofibromatosis, Meningioma, Ependymoma, Movement disorder, Astrocytoma, Neurofibroma, Chordoma, Oligodendroglioma, Choroid plexus papilloma