cord compression . Lhermitte ' s " sign " due to thoracic

thesis, but had normal CSF albumin and normal plasma proteins. Similar changes often occur in multiple sclerosis and other chronic and subacute inflammatory diseases of the nervous system but are usually of lesser degree than those observed in our patient.16 Elevations of CSF gamma globulin to levels higher than 30% of the total protein are very unusual in neurological disorders other than subacute sclerosing panencephalitis and chronic rubella panencephalitis. 6 Oligoclonal bands, however, often seen in chronic inflammatory disorders of the nervous system, were not observed in our patient. This patient emphasises the protean clinical manifestations of Behqet disease and suggests that this diagnosis should be entertained in young patients with cerebrovascular disease and evidence of a chronic noninfectious inflammatory CNS process.