title: Traumatic extradural hematoma in the middle cranial fossa base: clinical analysis of 14 cases.
abstract: OBJECTIVE
  To explore clinical characteristics, CT manifestation and operative indications of traumatic extradural hematoma in the middle cranial fossa base (EHMCFB).
  
  
  METHODS
  A total of 14 cases with traumatic EHMCFB from January 1997 to May 2000 were retrospectively analyzed.
  
  
  RESULTS
  Of 14 cases, 12 cases (85.7%) maintained form chan ge of cisterna ambiens for being pressed; 11 cases who received operations were all cured; 3 received conservative therapy, of whom 2 became better and 1 died.
  
  
  CONCLUSIONS
  In traumatic EHMCFB, the form change of cisterna ambiens occurs easily. Therefore, if there appears progressively aggravated form change of cisterna ambiens after the cisterna ambiens being pressed, an early a nd active operation is necessary and crucial.
authors.affiliation: Department of Neurosurgery, 3rd Affiliated Hospital, Wenzhou Medical College, Wenzhou 325200, China.
authors.forename: N
authors.initials: N
authors.lastname: Chen
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D018450:Disease Progression; D005260:Female; D015600:Glasgow Coma Scale; D006407:Hematoma, Epidural, Cranial / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D019291:Skull Base / Q000293:injuries*; D013997:Time Factors; D016896:Treatment Outcome