Sublabial transseptal transsphenoidal approach to the skull base.
D006801:Humans; D009055:Mouth / Q000601:surgery*; D009300:Nasal Septum / Q000601:surgery; D010911:Pituitary Neoplasms / Q000601:surgery*; D013101:Sphenoid Sinus / Q000601:surgery; D013158:Splenic Diseases / Q000601:surgery*