title: Identification of Meckel cave during percutaneous glycerol rhizotomy for tic douloureux.
mesh_terms: D004388:Dura Mater / Q000000981:diagnostic imaging*; D005990:Glycerol / Q000627:therapeutic use*; D006801:Humans; D008722:Methods; D011859:Radiography; D013126:Spinal Nerve Roots / Q000187:drug effects*; D013635:Tantalum; D014277:Trigeminal Neuralgia / Q000628:therapy*
chemical_list: D013635:Tantalum; D005990:Glycerol