title: Dear colleagues and friends in the world of neuroradiology. Introduction.
authors.affiliation: Institute of Diagnostic and Interventional Neuroradiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany, Lanfermann.Heinrich@mh-hannover.de.
authors.forename: H
authors.initials: H
authors.lastname: Lanfermann
mesh_terms: D001921:Brain / Q000098:blood supply* / Q000000981:diagnostic imaging*; D001927:Brain Diseases / Q000000981:diagnostic imaging* / Q000628:therapy*; D009485:Neuroradiography; D012955:Societies, Medical; D025321:Surgery, Computer-Assisted