What are variable vessel vasculitis?

Behjet Syndrome (rare chronic inflammatory multisystem disorder, affect any artery or vein, Japan, Middleeast, M:F 2:1, genetic disposition (HLAB51, familial hx +) characterized by (skin and mucus membrane, eye panuveitis, CNS, thrombosis and aneurysms, GI) Cogan's syndrome ( Eye: ocular inflammatory lesions, including interstitial keratitis, uveitis, and episcleritis as well as inner ear disease (eg, sensorineural hearing loss and vestibular dysfunction), ear hearing loss, vestibular symptoms)