الفهرس 
Review of literature
Anatomy of the auditory systemOnly 14 pages are availabe for public view
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Abstract
RA is a systemic inflammatory disorder of a chronic nature that is characterized primarily by the of involvement of synovial joints.
Study of hearing function disorders in RA is the aim of this study in order to evaluate hearing function, to detect the type of hearing defect and to find out the mechanisms responsible for such impairment in Egyptian RA patients.
The study included 40 RA patients. They were randomly recruited from the internal medicine, physical medicine and rehabilitation clinics Menoufiya University Hospital in the year 2009 2010 . The diagnosis of rheumatoid arthritis was made according to American college of rheumatology revised criteria for the classification of RA. The study also included 20 control subjects matched in the age and sex with patients.