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A 56-year-old man attended the emergency department with 2 days of right-sided frontal and supraorbital headache, with a dull throbbing and intermittent lancinating quality. He had photophobia but no phonophobia, nausea, vomiting or visual impairment. There was no diplopia but he did have discomfort on right lateral gaze. He was immunocompetent; his only relevant medical history was of familial hypercholesterolaemia requiring rosuvastatin. On examination, he was afebrile with normal vital signs and no rash. There was right-sided ptosis but pupils were equal and reactive. Visual acuity and fields were normal, and extraocular movements showed only slightly limited right eye abduction. The remaining neurological examination was normal.
We admitted him for pain control and investigations. CT …
Contributors The author confirms sole responsibility for the following: study conception and design, data collection, analysis and interpretation of results and manuscript preparation.
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.
Provenance and peer review Not commissioned. Externally peer reviewed by Christian Lueck, Canberra, Australia.