Differentiating cerebellopontine angle meningioma from schwannoma using caloric testing and vestibular-evoked myogenic potentials.
作者： Chia-Hung Su , Chang-Mu Chen , Yi-Ho Young
DOI: 10.1016/J.JNS.2013.09.020
关键词:
摘要: Abstract Objective This study utilized audiometry, and caloric, ocular vestibular-evoked myogenic potential (oVEMP) cervical VEMP (cVEMP) tests to differentiate between cerebellopontine angle (CPA) meningioma schwannoma. Patients methods Eleven CPA patients with mean tumor size 2.8 ± 1.4 cm another 11 schwannoma 2.7 ± 1.0 cm were enrolled in this study. All underwent a battery of audiovestibular function tests. Results The two groups did not differ significantly terms clinical manifestation. abnormal percentage caloric test the group was 36%, compared 91% group, thus both differed significantly. However, such difference observed regardless hearing level, oVEMP cVEMP test. Conclusion Combined results may help tumor. Correlation indicates nature, while dissociation depicts character.
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