title: [Report of four cases of 22 channel cochlear implantations].
abstract: 22 channel cochlear implants were implanted in 3 postlinguistical deafened adults and a prelinguistical deafened adolescent. All 4 patients including one with total cochlear ossification and another with congenital cochlear malformation showed significant auditory performance and demonstrated satisfactorily improved speech perception test scores postoperatively.
mesh_terms: D000293:Adolescent; D000328:Adult; D019929:Cochlear Implantation / Q000379:methods; D003054:Cochlear Implants; D003638:Deafness / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged