We describe a 43-year-old man with a long-standing history of headache and ophthalmoplegia. Brain MRI showed a nodular enhancing lesion at the root exit zone of the left oculomotor nerve. Contrast enhancement on follow-up MRI and clinical symptoms showed a partial resolution on starting prophylactic anti-migraine medications. This was confirmed to be a case of ophthalmoplegic migraine. Here we describe a rare case of OM in an adult patient with its characteristic imaging pattern and the differential diagnosis considered.
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