BOF: 2.38
A 75-year-old female has had several episodes of
delirium. There is also a history of intermittent falls. She is noted to have
persistent visual hallucinations. She has memory impairment, visuospatial
impairment and fluctuating performance. On examination of her limbs there are
features of Parkinsonism.
In this patient the likely diagnosis is:
a)
Alzheimer’s disease
b)
Lewy body dementia
c)
Cerebrovascular dementia
d)
Frontotemporal dementia
e)
Normal pressure hydrocephalus
Answer:
b)
Lewy body dementia usually presents with early memory
impairment and intermittent delirium. Visuospatial impairment is a feature as
is fluctuating performance. Parkinsonism and recurrent falls are other
features of Lewy body dementia
