title: CT appearances of the normal tentorial hiatus and expanding lesions of the incisura.
mesh_terms: D001932:Brain Neoplasms / Q000000981:diagnostic imaging*; D002531:Cerebellum / Q000000981:diagnostic imaging*; D004388:Dura Mater / Q000000981:diagnostic imaging*; D006801:Humans; D014057:Tomography, X-Ray Computed