Neurological features as presenting manifestations of brucellosis.

Four cases of brucellosis in whom acute neurological conditions were the first manifestations of the disease are presented. These cases are acute meningitis, acute encephalitis with generalized and focal signs, acute transverse myelitis with paraplegia, and acute radiculitis with "sciatica". The neurological manifestations, the laboratory findings, the treatment and certain features related to problems of diagnosis and differential diagnosis have been briefly discussed.