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J Clin Neuroophthalmol · Dec 1992
Review Case ReportsIsolated bilateral abducens nerve palsies caused by the rupture of a vertebral artery aneurysm.
- T Morioka, T Matsushima, N Yokoyama, H Muratani, K Fujii, and M Fukui.
- Department of Neurosurgery, Faculty of Medicine, Kyushu University, Fukuoka, Japan.
- J Clin Neuroophthalmol. 1992 Dec 1; 12 (4): 263-7.
AbstractWe report two cases with isolated bilateral abducens nerve palsies due to the rupture of a vertebral aneurysm. Surgery revealed that the aneurysm did not directly compress the abducens nerve. Within a year after the subarachnoid hemorrhage, the patients gained full recovery from the bilateral abducens nerve palsies. In view of the clinical and operative findings, it may be regarded as a compression and/or stretching of the bilateral abducens nerves by a thick clot in the prepontine cistern, and not as a manifestation of the raised intracranial pressure. The mechanisms of the isolated abducens nerve palsy are discussed.
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