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Contributors SACT (clinical neurology resident) contributed with conception and design of the manuscript, acquisition of data and review of the relevant literature. RR-G and BEC-L (experienced neurologists) contributed with the editing of the manuscript, review for intellectually relevant content, and with an insight of the teaching points of the case.
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 for publication Not required.
Provenance and peer review Not commissioned; externally peer reviewed by Hugh Markus, Cambridge, UK.
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