title: [Transfacial accesses to tumors of the clivus].
abstract: Treatment of 3 patients with malignant tumors of the skull base using transfacial accesses as half maxilotomy by the Kosson access and access with osteotomy of a nasoorbital complex was analyzed that provided a possibility to ablate large and gigantic tumors of the localization in question using the operative microscope and a traditional instruments' kit.
authors.forename: S Ia
authors.initials: SIa
authors.lastname: Chebotarev
authors.forename: D A
authors.initials: DA
authors.lastname: Guliaev
mesh_terms: D003388:Cranial Fossa, Posterior; D005500:Follow-Up Studies; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D010027:Osteotomy / Q000379:methods; D012189:Retrospective Studies; D019292:Skull Base Neoplasms / Q000175:diagnosis / Q000601:surgery*; D013515:Surgery, Oral / Q000379:methods*