title: Sinus tract injection: a technique for preoperative localization of cerebrospinal fluid fistula.
mesh_terms: D002559:Cerebrospinal Fluid Rhinorrhea / Q000000981:diagnostic imaging*; D003287:Contrast Media / Q000008:administration & dosage*; D005402:Fistula / Q000000981:diagnostic imaging*; D006801:Humans; D007223:Infant; D007267:Injections; D008297:Male; D009296:Nasal Cavity / Q000000981:diagnostic imaging*; D011859:Radiography; D013346:Subarachnoid Space / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic
chemical_list: D003287:Contrast Media