Abstract: Introduction: We have previously shown that audio vestibular involvement is not frequent in early Behcet's disease (BD) at the time of diagnosis. This study was designed to clarify the frequency of audio vestibular involvement in patients with more chronic disease. Materials 8 Methods: We studied 60 BD patients with a disease duration of at least 5 years Patients were compared in a prospective study, to 28 controls (age and sex ...