title: An adjustable nasal speculum for the extended transsphenoidal approach. Technical note.
abstract: The authors describe a newly modified nasal speculum that enables panoramic visualization of the deep and wide surgical field created via an extended transsphenoidal approach. In their approach, the bone around the piriform aperture is not removed.
authors.affiliation: Department of Neurosurgery, Kinki University School of Medicine, Osaka, Japan. kitano@med.kindai.ac.jp
authors.forename: Masahiko
authors.initials: M
authors.lastname: Kitano
authors.forename: Mamoru
authors.initials: M
authors.lastname: Taneda
mesh_terms: D002426:Cavernous Sinus / Q000601:surgery*; D019723:Endoscopes; D004867:Equipment Design; D006801:Humans; D013100:Sphenoid Bone / Q000601:surgery*; D013525:Surgical Instruments