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Visualization of Amyloid β Deposits in the Human Brain with Matrix-assisted Laser Desorption/Ionization Imaging Mass Spectrometry
Published on: March 7, 2019
Clinical phenotypes of Cerebral Amyloid Angiopathy
Luís F Maia1, Ian R A Mackenzie, Howard H Feldman
1Department of Neurology, Hospital Geral Santo António, Porto, Portugal.
Insights
Cerebral Amyloid Angiopathy (CAA) involves amyloid protein buildup in brain blood vessels, leading to diverse neurological symptoms. This review details its clinical, pathological, and imaging features.
Area of Science:
- Neurology
- Pathology
- Neuroimaging
Background:
- Cerebral Amyloid Angiopathy (CAA) is characterized by amyloid protein deposition in cerebral blood vessels.
- This condition, a CNS vasculopathy, presents with a range of clinical manifestations.
- CAA is increasingly linked to cognitive impairment, dementia, and transient neurological events.
Purpose of the Study:
- To provide a comprehensive overview of Cerebral Amyloid Angiopathy.
- To review the clinical, pathological, and neuroimaging aspects of CAA.
Main Methods:
- Literature review of clinical studies on CAA.
- Analysis of pathological findings in CAA.
- Examination of neuroimaging techniques for CAA diagnosis.
Main Results:
- CAA affects both leptomeningeal and cortical cerebral blood vessels.
- Clinical presentations include ischemic and hemorrhagic events.
- Cognitive decline and transient neurological symptoms are recognized features of CAA.
Conclusions:
- Cerebral Amyloid Angiopathy is a significant cerebrovascular pathology.
- Understanding its multifaceted aspects is crucial for diagnosis and management.
- Further research into CAA's clinical spectrum and imaging is warranted.
Abstract:
The term Cerebral Amyloid Angiopathy (CAA) is used to describe the pathological changes occurring in cerebral blood vessels, both leptomeningeal and cortical that result from the deposition of amyloid proteins. This CNS vasculopathy is associated with a spectrum of clinical phenotypes that include both ischemic and hemorrhagic presentations. Dementia, cognitive impairment and transient neurological symptoms or signs are also being increasingly recognized as part of the CAA clinical spectrum. This review covers the clinical, pathological and neuroimaging aspects of CAA.
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