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Behavioural variant FTD — SCE Neurology MCQ

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HardCognitive NeurologyBehavioural variant FTDSCE Neurology

A 22-year-old woman presented with progressive disinhibition, loss of empathy and compulsive eating. On examination, memory was relatively preserved early and insight was poor. Initial investigations showed: MRI showed frontal and anterior temporal atrophy. What is the most likely diagnosis?

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Correct answer: C — Behavioural variant FTD

The best answer is “Behavioural variant FTD”. UK stroke guidance supports urgent vascular imaging and reperfusion selection, short-course dual antiplatelet therapy for eligible minor stroke or high-risk TIA, decompression for life-threatening swelling, and secondary prevention matched to mechanism. The alternatives “Posterior cortical atrophy”, “Logopenic primary progressive aphasia”, “Autoimmune encephalitis anti-NMDAR”, “Alzheimer's disease” are clinically adjacent possibilities, but they do not match the defining chronology, localisation, physiology, investigation result or UK management sequence in this stem.

Reference: National Clinical Guideline for Stroke: acute care: https://www.strokeguideline.org/chapter/acute-care/