الفهرس 
Introduction and RationaleOnly 14 pages are availabe for public view
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Abstract
Recurrent tonsillitis is one of the most common otorhinolaryngologic disorders seen in pediatric age group.
Recurrent tonsillitis is a repeated attacks of acute tonsillitis with periods with only very few, or without any symptoms. Recurrent acute tonsillitis (RAT) is defined as four to seven episodes of acute tonsillitis per year, ten episodes in two years, or three episodes in a year in three consecutive years. Although it is known that the long- term effects of tonsillitis are low, RAT is a common and significant factor associated with morbidity and loss of time from work or time to fall back in school.
The knowledge of bacteriology is of great importance for the treatment of infective tonsillar diseases. However, the results of studies on bacteriology of tonsillar diseases differed significantly in different reports. Much has been written about the bacteriology of recurrent tonsillitis but it remains a controversial topic.Bacteriological profile of recurrent tonsillitis changes because of multiple factors such as: maluse of antibiotics and pathological changes that occur in the tonsils.
The organisms grown from superficial swabs may not be the same as those obtained from the tonsillar core thus throat swabs have little value in the diagnosis of the causative organism compared to deep tissue culture in recurrent tonsillitis as well as the antibiotics sensitivity of these organisms changes to be more drug resistant.
So ,Our study included 220 children with Recurrent tonsillitis who underwent tonsillectomy at Otorhinolaryngology Clinic in the Ismailia General Hospital and suez canal University hospital. They were 91 males and 129 females chosen randomly
.Swab from the core of the tonsil was taken after tonsillectomy to be analyzed for culture and sensitivity.
The main objective of the present study was to clarify the most common organisms causing recurrent tonsillitis. That cannot be cured by administration of antibiotics but have to be treated by tonsillectomy. For this purpose, we performed this study with carefully chosen patients suffering from RAT. Also, Our aim was to improve antibiotic policy in recurent tonsilitis in Ismailia governorate.
Our results suggested that different population and sample size contribute