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  • Title: Bruns nystagmus occurring after resection of a giant cerebellopontine angle acoustic neuroma.
    Author: Dabboucy B, Yazbeck M, Bassim M, Comair Y.
    Journal: Neurochirurgie; 2021 Sep; 67(5):500-502. PubMed ID: 33276002.
    Abstract:
    Bruns Nystagmus is defined as a coarse, high-amplitude horizontal nystagmus with low oscillatory frequency as the patient looks towards the side of the lesion and a fine, low-amplitude, high- frequency primary-position nystagmus that increases as the patient looks opposite to the side of the lesion. It is usually associated with large tumors of the Cerebellopontine angle that causes significant brainstem distortion, compression of the flocculus and/or vestibulocerebellum. Here, we report a case of Bruns Nystagmus (BN) occurring as a new postoperative finding after resection of a giant cerebellopontine angle acoustic neuroma despite complete surgical resection, along with a review of the literature concerning the mechanisms of BN.
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