title: Halo sign is neither sensitive nor specific for cerebrospinal fluid leak.
authors.forename: Adam M
authors.initials: AM
authors.lastname: Ray
mesh_terms: D002559:Cerebrospinal Fluid Rhinorrhea / Q000000981:diagnostic imaging*; D006259:Craniocerebral Trauma / Q000000981:diagnostic imaging; D006801:Humans; D011859:Radiography; D012680:Sensitivity and Specificity