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