title: [Clinic significance of CT scan in diagnosis and management unsudden unilateral sensorineural hearing loss].
abstract: OBJECTIVE
  To investigate the clinic significance of the temporal bone high-resolution CT in discovering unilateral sensorineural hearing loss of adolescents, and to provide the basis for the rational using of medical resources.
  
  
  METHODS
  A retrospective study was conducted on 28 outpatients with unilateral sensorineural hearing loss at unsure time. Their medical history and CT examine were reevaluated,combined with associated articles in this report.
  
  
  RESULTS
  All of the 28 patients with unilateral sensorineural hearing loss had the normal external ear and middle ear and received CT scan. Nine out of twenty-eight cases had inner ear malformation. Among the nine cases, 1 cases was Mondini malformation and 1 cases was common cavity, 5 cases were single stenosis of IAC, and 2 cases were semicircular canal and vestibular malformation. 19 cases were not found abnormal by CT, and 4 cases had had suffered from mumps.
  
  
  CONCLUSIONS
  CT scan was available in diagnosis of unsudden unilateral sensorineural hearing loss, which would help us to use medical resource more rationally.
authors.forename: Ping
authors.initials: P
authors.lastname: Guo
authors.forename: Tongli
authors.initials: T
authors.lastname: Ren
authors.forename: Wuqing
authors.initials: W
authors.lastname: Wang
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006319:Hearing Loss, Sensorineural / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D012189:Retrospective Studies; D014057:Tomography, X-Ray Computed / Q000379:methods*; D055815:Young Adult