Analysis of electronystagmogram in 1000 cases

1000 cases of electronystagmogram （ENG） included 100 normal subjects and 900 atients ere described, among them the ENG changes of 629 patients with known causes divided into 11 orts of disorder were discussed. Miscellaneously, 25 cases with CNS lesion won’t dissussed. ccording the classification of disordered location the 116 cases （12.9%） were vestibular entre isorders including acoustic neuroma etc.. The 538 cases （59.77%） were peripheral disorder. nother 246 cases （27.33%） with unknown causes have been following up.