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Abstract
A 73-year-old woman developed cognitive decline over 1 year. MR scan of the brain showed a focal asymmetrical leukoencephalopathy involving the right frontal, temporal, parietal and occipital lobes. Extensive laboratory investigations found no cause but brain biopsy identified amyloid-beta-related angiitis (ABRA), a potentially treatable cause of rapid-onset dementia. We gave intravenous methylprednisolone and then two courses of intravenous cyclophosphamide, after which her cognitive skills gradually but significantly improved over several months.
- dementia
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Footnotes
Contributors All authors contributed equally to the manuscript.
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.
Provenance and peer review Not commissioned. Externally peer reviewed by Neil Scolding, Bristol, UK.
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