ABSTRACT
Acute mastoiditis with osteitis is secondary to bacteria involving mastoid cavities. Describe the epidemiologic aspects. Between 1990 and 2003, we listed 44 files of children hospitalized for acute mastoiditis. The treatment was in any case medical associated to a surgical treatment in 30 cases. The age of our patients was consisted between 2 months and 14 years with an average is 2 years. The sex ratio of patient was 1.1. 29 patients didn't have any antecedents particular O.R.L, 8 patients were followed for otitis middle chronic and 7 had an cholesteatomateuse. The auricular old-fashioned swelling was the most frequent functional sign. A scanner has been achieved in 13 cases. The treatment was medico-surgical in 30 cases is 68.8% and an only antibiotherapie in 14 cases is 31.8%