Brain tumor, Arteriovenous malformation, Spinal cord tumor, Spinal stenosis, Cervical spondylosis, Meningioma, Cervical... radiculopathy, Spinal compression fracture, Cervical herniated disk, Cervical spondylolisthesis, Cervical spondylotic myelopathy, Cervical myelopathy, Cervical spinal stenosis, Pituitary tumor, Carotid artery disease, Aneurysm, Trigeminal neuralgia, Hydrocephalus, Spinal arteriovenous malformation, Cavernous malformations, Moyamoya disease, Hemifacial spasm, Brain hemorrhage, Subdural hematoma, Hemangioblastoma, Vertebrobasilar insufficiency, Glossopharyngeal neuralgia, Carotid artery dissection, Intracerebral hemorrhage, Pineal tumor, Cranial nerve palsy, Arteriovenous fistula, Cavernous hemangioma, Carotid body tumor, Spinal fracture, Schwannoma, Pituitary mass, Vertebral artery disease, Intraventricular hemorrhage