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Isolated unilateral hypoglossal nerve palsy: nine cases

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We report nine patients with hypoglossal nerve palsy as the sole neurological manifestation, without simultaneous involvement of other cranial nerves or long-tract signs. In four patients, no cause was found and the outcome was excellent. The next common cause proved to be metastatic disease at the base of the skull in three patients. Two exceptional causes were Chiari malformation in one case and dural arteriovenous fistula of the transverse sinus in another. Although the aetiological importance and ominous prognosis of neoplasia has been emphasized by others, our study suggests that an isolated hypoglossal nerve palsy may be benign and idiopathic.

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Received: 21 July 1997 Received in revised form: 1 October 1997 Accepted: 8 October 1997

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Combarros, O., de Arcaya, A. & Berciano, J. Isolated unilateral hypoglossal nerve palsy: nine cases. J Neurol 245, 98–100 (1998). https://doi.org/10.1007/s004150050185

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  • DOI: https://doi.org/10.1007/s004150050185

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