title: The significance of fluid-gas displacement in the sphenoid sinus in post-traumatic cerebrospinal fluid rhinorrhea.
mesh_terms: D002559:Cerebrospinal Fluid Rhinorrhea / Q000000981:diagnostic imaging* / Q000209:etiology / Q000601:surgery; D006259:Craniocerebral Trauma / Q000150:complications; D005402:Fistula; D006801:Humans; D008722:Methods; D011011:Pneumoencephalography; D011187:Posture; D013101:Sphenoid Sinus / Q000000981:diagnostic imaging*; D013346:Subarachnoid Space; D014056:Tomography, X-Ray