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Updated: Aug 29, 2026

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases
Published on: December 6, 2016
Rapidly reversible dementia in cerebral amyloid inflammatory vasculopathy
K A C Harkness1, A Coles, U Pohl
1Department of Neurology, Addenbrooke's University Hospital, Hills Road, Cambridge, UK. kirstyharkness@yahoo.com
Abstract:
This report discusses a biopsy proven case of cerebral amyloid angiopathy, with additional prominent vascular inflammatory features, characterized by a rapidly progressive dementia and leukoencephalopathy, where the clinical and radiological abnormalities resolved rapidly with minimal therapeutic intervention. We propose the term cerebral amyloid inflammatory vasculopathy (CAIV) to describe this condition.
Insights
This study presents a rare case of cerebral amyloid inflammatory vasculopathy (CAIV), a condition causing rapid dementia and leukoencephalopathy. Prompt treatment led to swift clinical and radiological recovery, highlighting a potentially treatable cause of cognitive decline.
Area of Science:
- Neurology
- Pathology
- Vascular Biology
Background:
- Cerebral amyloid angiopathy (CAA) is a common cause of intracerebral hemorrhage and cognitive decline in the elderly.
- Inflammatory features are not typically considered a primary component of CAA.
- Rapidly progressive dementia and leukoencephalopathy can be caused by various conditions, necessitating accurate diagnosis.
Observation:
- A patient presented with rapidly progressive dementia and leukoencephalopathy.
- Brain biopsy confirmed cerebral amyloid angiopathy with significant inflammatory infiltrates.
Findings:
- The patient's neurological deficits and imaging abnormalities resolved rapidly.
- Minimal therapeutic intervention was required for the observed clinical improvement.
Implications:
- Proposes a new term, cerebral amyloid inflammatory vasculopathy (CAIV), for this distinct clinicopathological entity.
- Suggests that inflammatory CAA variants may have a more favorable prognosis than previously thought.
- Highlights the potential for targeted therapies in managing inflammatory cerebrovascular diseases.
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