Peripheral nerve tumor surgery, Pituitary tumor, Myelomeningocele, Chiari malformation, Intracranial hemorrhage, Esthesioneuroblastoma, Aneurysm, Cervical spinal stenosis, Hemifacial spasm, Subarachnoid hemorrhage, Spina bifida, Hereditary hemorrhagic telangiectasia, Discitis, Medulloblastoma, Balance problem, Dystonia, Brain aneurysm, Hydrocephalus, Seizure , Acoustic neuroma, Brain lymphoma, Brain tumor, Intracranial venous malformation, Lumbar spinal stenosis, Sciatica, Brain AVM, Astrocytoma, Spinal stenosis, Spinal arteriovenous malformation, Meningioma, Venous malformation, Frontal lobe seizure, Trigeminal neuralgia, Vertebral tumor, Brachial plexus injury, Glioma, MEN 1, Head and neck cancer, Lumbar spondylosis, Lumbar radiculopathy, Subdural hemorrhage, Spinal cord lymphoma, Peripheral nerve injury, Absence seizure, Craniopharyngioma, Cavernous malformations, Grand mal seizure, Neurofibromatosis, Hemorrhage, Spinal cord tumor, Peripheral nerve tumor, Cervical radiculopathy, Dural arteriovenous fistula, Chordoma, Malignant peripheral nerve sheath tumors, Central nervous system vascular malformations, Peripheral neuropathy, Glioblastoma, Chondrosarcoma, Cushing syndrome, Spinal cord injury, Nasal and paranasal tumors, Arteriovenous malformation, Brain metastasis, Oligodendroglioma, Benign peripheral nerve tumor, Carpal tunnel syndrome, Ependymoma