Cogan’s syndrome – DNB OSCE / VIVA/ DNB ent Theory
Dr. David Cogan.
Cogan’s syndrome (CS) is defined as nonsyphilitic interstitial keratitis (an inflammation of the eye) and bilateral audiovestibular deficits (hearing problems and dizziness). It was first described in Morgan and Baumgartner in 1934, and Cogan reported 5 more cases in 1945. Dr. David Cogan was a prolific writer and his name is also on an ocular sign involving ocular deviation under closed eyelids. Only about 100 cases of the Cogans syndrome discussed here have been described in the world literature. This disease primarily affects caucasians and is believed not to be hereditary.
Cause:
Cogan’s syndrome is generally assumed to be an immune mediated disorder with vasculitis. The pathology has been described in a few case reports. Recently, Jung et al (2015) reported vasculitis.
Signs and Symptoms:
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