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Foster Kennedy Syndrome — SCE Neurology MCQ

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HardNeuro-ophthalmologyFoster Kennedy SyndromeSCE Neurology

A 70-year-old man presents with anosmia and progressive unilateral right visual loss. Fundoscopy shows right optic atrophy and left papilloedema. MRI shows a large olfactory groove meningioma. What is this neuro-ophthalmological sign called?

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Correct answer: E — Foster Kennedy syndrome

The best answer is “Foster Kennedy syndrome”. IIH requires raised opening pressure with normal CSF composition and exclusion of secondary causes; management protects vision, addresses weight and uses pressure-lowering treatment with urgent surgery when vision is threatened. The alternatives “Marcus Gunn pupil”, “Parinaud syndrome”, “Argyll Robertson pupil”, “Holmes-Adie syndrome” are clinically adjacent possibilities, but they do not match the defining chronology, localisation, physiology, investigation result or UK management sequence in this stem.

Reference: Association of British Neurologists IIH consensus guideline: https://jnnp.bmj.com/content/89/10/1088