title: The brain scan.
mesh_terms: D001254:Astrocytoma / Q000175:diagnosis; D001812:Blood-Brain Barrier; D001921:Brain / Q000098:blood supply; D001927:Brain Diseases / Q000175:diagnosis*; D001930:Brain Injuries / Q000175:diagnosis; D001932:Brain Neoplasms / Q000175:diagnosis; D002533:Cerebral Angiography; D003937:Diagnosis, Differential; D004806:Ependymoma / Q000175:diagnosis; D005909:Glioblastoma / Q000175:diagnosis; D006801:Humans; D002542:Intracranial Embolism and Thrombosis / Q000175:diagnosis; D008579:Meningioma / Q000175:diagnosis; D008722:Methods; D008833:Microcirculation; D009362:Neoplasm Metastasis / Q000175:diagnosis; D009442:Neurilemmoma / Q000175:diagnosis; D010911:Pituitary Neoplasms / Q000175:diagnosis; D011877:Radionuclide Imaging; D013667:Technetium; D013997:Time Factors
chemical_list: D013667:Technetium