Summary
The clinical aspect and mechansims of production of ocular motor disturbances appearing as false localizing signs are discussed in four patients who were observed in a series of 102 consecutive admissions of patients with ruptured intracranial aneurysms. The aneurysms were located on the anterior communicating artery and the precommunicating segment of the right anterior cerebral artery.
In these patients bilateral abducens nerve palsy, unilateral partial oculomotor nerve palsy and bilateral ophthalmoplegia totalis were observed. Nuclear or internuclear palsy due to vasospasm of the pontine branches of the basilar artery, peripheral oculomotor nerve palsy due to concomitant megadolichobasilar anomaly, and transtentorial axial descent of the midbrain were considered to be responsible.
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Suzuki, J., Iwabuchi, T. Ocular motor disturbances occurring as false localizing signs in ruptured intracranial aneurysms. Acta neurochir 30, 119–128 (1974). https://doi.org/10.1007/BF01405760
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DOI: https://doi.org/10.1007/BF01405760