title: Acute otitis media and mastoid growth.
abstract: CONCLUSIONS
  This study implies that the hypothesis that acute otitis media (AOM) in infancy inhibits the growth of the mastoid system cannot be accepted.
  
  
  OBJECTIVE
  To establish a relationship between AOM in children and their mastoid pneumatization development.
  
  
  METHODS
  Lateral Schüller mastoid radiographs (LMRs) were measured in two groups of children at ages 2-11 years. Group A (n=116) had a history of recurrent AOM; group B (n=108) had no such history. Patients were treated in a private clinic. Data were analysed at Tel Aviv University. The patients had their LMR taken and measured planimetrically. LMR areas on left and right sides were compared in each group and age and were tested for possible differences using the paired Student's t test. When no left/right difference was detected, the values were averaged. Groups A and B were compared at different ages using two-tailed two-sample unequal variance and correlation coefficients.
  
  
  RESULTS
  The analyses show that the LMR area became gradually and significantly larger with age in group A (R2=0.858; p<0.05). It did not develop significantly in group B.
authors.affiliation: Hearing Research Laboratory, Department of Bio-Medical Engineering, Faculty of Engineering, and Sackler Faculty of Medicine, Tel Aviv University, Israel. jsade@netvision.net.il
authors.forename: Jacob
authors.initials: J
authors.lastname: Sadé
authors.forename: Eyal
authors.initials: E
authors.lastname: Russo
authors.forename: Camil
authors.initials: C
authors.lastname: Fuchs
authors.forename: Amos
authors.initials: A
authors.lastname: Ar
mesh_terms: D000208:Acute Disease; D016022:Case-Control Studies; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008416:Mastoid / Q000000981:diagnostic imaging / Q000254:growth & development*; D010034:Otitis Media with Effusion / Q000503:physiopathology*; D011859:Radiography; D012008:Recurrence; D012044:Regression Analysis