نتایج جستجو برای: cerebral amyloid angiopathy
تعداد نتایج: 216703 فیلتر نتایج به سال:
Cerebral small vessel disease (CSVD) is the most common, chronic and progressive vascular disease. The changes affect arterioles, capillaries veins supplying white matter deep structures of brain. It common incidental finding on brain scans, especially in people over 80 years age. Magnetic resonance imaging (MRI) plays a key role diagnosis CSVD. nomenclature radiological phenotypes CSVD were pu...
BACKGROUND AND PURPOSE We investigated the sensitivity and reliability of MRI susceptibility-weighted imaging (SWI) compared with routine MRI T2*-weighted gradient-recalled echo (GRE) for cerebral microbleed (CMB) detection. METHODS We used data from a prospective study of cerebral amyloid angiopathy (n=9; mean age, 71±8.3) and healthy non-cerebral amyloid angiopathy controls (n=22; mean age,...
Cerebral amyloid angiopathy is a clinicopathological disorder characterised by vascular amyloid deposition initially in leptomeningeal and neocortical vessels, and later affecting cortical and subcortical regions. The presence of amyloid within the walls of these vessels leads to a propensity for primary intracerebral haemorrhage. We report the unusual case of a 77-year-old female who presented...
OBJECTIVE To determine the correspondence between uptake of Pittsburgh Compound B (PiB) in life and measures of beta-amyloid (Abeta) in postmortem tissue analysis. Patient A 76-year-old man with a clinical diagnosis of dementia with Lewy bodies underwent fluorodeoxyglucose (18)F and PiB positron emission tomographic brain scans. Imaging revealed marked region specific binding of PiB and abnorma...
The process of β-amyloid accumulation in cerebral vessels is presented. Cerebral amyloid angiopathy (CAA) was confirmed during an autopsy. It was diagnosed according to the Boston criteria. Cerebral amyloid angiopathy can involve all kinds of cerebral vessels (cortical and leptomeningeal arterioles, capillaries and veins). The development of CAA is a progressive process. β-amyloid appears first...
OBJECTIVES To quantify the progression of senile plaques, neurofibrillary tangles, cerebral amyloid angiopathy, and microglial activation in the cortex and white matter of patients with Alzheimer disease evaluated at both biopsy and subsequent autopsy and correlate these changes with the progression of neurologic impairment. SETTING Academic referral center for patient with Alzheimer disease....
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