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Behavioural variant frontotemporal dementia — DGM MCQ

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ModerateDementiaBehavioural variant frontotemporal dementiaDGM

A 74-year-old man has progressive disinhibition, poor judgement and compulsive sweet eating. His memory for recent events is relatively preserved. His wife reports that he has lost empathy and makes offensive jokes in public. What is the most likely diagnosis?

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Correct answer: A — Behavioural variant frontotemporal dementia

Early behavioural change, disinhibition, altered eating and reduced empathy with relative memory preservation suggest behavioural variant frontotemporal dementia. Alzheimer's disease typically begins with episodic memory impairment. Recognising subtype matters because management and family counselling differ.

Reference: NICE NG97