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A 65-year-old man with a history of hypertension presented with double vision. Examination revealed wall-eyed bilateral internuclear ophthalmoplegia (WEBINO) (figure 1) and nonsymptomatic, pulse-synchronous, pulsatile proptosis of the left eye (video 1). According to the patient, there was a history of blunt head trauma in childhood and the pulsatile eye was present since then. CT revealed a meningocele into the left orbit due to a bony defect in the orbital roof (figure 2A). CT angiography ruled out a carotid-cavernous fistula. MRI showed an acute infarction at the midline of the midbrain tegmentum, which involved the medial longitudinal fasciculus bilaterally and caused the WEBINO (figure 2B).1 The pulsatile proptosis was attributed to the childhood head injury and due to the orbital roof fracture and associated meningocele pulsation of the brain vessels passed onto the CSF.2
Footnotes
Go to Neurology.org/N for full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the article.
Republished from Neurology® 2018;90:e1542-e1543. doi:10.1212/WNL.0000000000005357
Teaching slides: links.lww.com/WNL/A390
- © 2018 American Academy of Neurology
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