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听神经瘤患者前庭功能检查的资料很多,其中冷热试验的结果多表现为患侧反应减低,而对侧耳的检查则少见报告。作者对35例听神经瘤患者对侧耳进行了冷热试验检查,用多导眼震电图仪记录,冷热试验采用44℃与30℃水灌注外耳道深部,在30秒内灌注20ml。计算反应高潮期眼震频率,记在蝶形图上。结果:35例中患侧反应减弱者32例(91.4％),其中3例无反应。对侧耳反应正常者11例(31.4％);增强者12例(34.3％);减弱者9例(25.7％)。3例肿瘤侧反应正常,其中2例对侧反应也正常。另一例对侧反应增强,术中发现一大神经瘤压迫脑干。全组病例对侧耳反应增强者共13例(37.1％),术中均可见相当大的
There are many sources of vestibular function tests in patients with acoustic neuroma, in which the results of the hot and cold tests mostly show a reduction of the ipsilateral reaction while the reports of the contralateral ear are rarely reported. The author of 35 patients with acoustic neuroma in the ear on the cold ear test, recorded with a multi-channel electrocorticography instrument, hot and cold test with 44 ℃ and 30 ℃ water perfusion deep external auditory canal, perfusion 20ml within 30 seconds. Calculate the nystagmus frequency of reaction climax, recorded in the butterfly diagram. Results: Among the 35 cases, 32 patients (91.4%) had weakened side effects, of which 3 patients had no response. Eleven patients (31.4%) had normal lateral ear responses, 12 patients (34.3%) had enhancement, and 9 patients (25.7%) had weakness. 3 cases of normal tumor side reaction, including 2 cases of contralateral response is also normal. Another case of contralateral enhancement, surgery found a large neurinoma oppression of the brainstem. A total of 13 cases (37.1%) of all cases of enhancement of lateral otolaryngology, surgery can be seen quite large