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Large basilar tip aneurysm causing anterior internuclear ophthalmoplegia
  1. Saad A Khan1,
  2. Mark Brooks2,
  3. Douglas E Crompton3,4
  1. 1Department of Medicine, Northern Health, Epping, Victoria, Australia
  2. 2Department of Radiology, Austin Health, Heidelberg, Victoria, Australia
  3. 3Department of Medicine, Epilepsy Research Centre, University of Melbourne, Austin Health, Melbourne, Australia
  4. 4Neurology Department, Northern Health, Epping, Victoria, Australia
  1. Correspondence to Dr Saad A Khan, Department of Medicine, Northern Health, 185 Cooper St, Epping, VIC 3076, Australia; saadkhan2304{at}

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A previously well 68-year-old woman presented with sudden onset, painless diplopia and paraesthesia of the tongue and fingers bilaterally. Neurological examination revealed exotropia of the right eye, convergence failure and bilateral internuclear ophthalmoplegias (INOs). Thrombolysis was considered but was withheld as CT angiography showed a …

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  • Competing interests None.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed. This paper was reviewed by Mark Lawden, Leicester, UK.

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