Bacteriological study of mastoid abscess

Acute mastoiditis and mastoid abscess are, at present, infrequent complications of acute otitis media. The presentation and course of the disease have changed considerably since the introduction of antibiotic therapy. Nevertheless, it is still a serious disease. This bacteriological study of acute mastoiditis and mastoid abscess was performed on 20 cases suffering from mastoid abscess. The results of bacterial cultures from the abscesses revelaed proteus organisms in 12 cases, Streptococcus fecalis in association with proteus in 3 cases, peptococcus and Streptococcus fecalis in 3 other cases, whereas 2 cases gave negative cultures