An otherwise healthy, 11-year-old boy presented with a long-standing history of right eye esotropia associated with a right head turn. Following a mild blunt facial trauma, he was brought to an ophthalmologist for binocular horizontal diplopia. Cranial CT scan revealed a large, enhancing lesion in the right cavernous sinus. Neuro-ophthalmological evaluation showed abduction deficit of the right eye, right corneal anaesthesia, right upper lid ptosis and a smaller right pupil suggesting involvement of the intracavernous segments of the right abducens nerve, ophthalmic nerve and oculosympathetic fibres. Cerebral angiography confirmed a large aneurysm involving the petrous, lacerum and cavernous segments of the right internal carotid artery. The child underwent successful clipping of the aneurysm by the neurosurgery service.
- visual pathway
- cranial nerves
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Contributors BIIOB contributed in the acquisition, analysis and interpretation of data and writing the draft of the case report. FMC contributed in the acquisition, analysis and interpretation of data and revision of the draft of the case report.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.