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KMID : 0357919990330090741
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Korean Journal of Pathology
1999 Volume.33 No. 9 p.741 ~ p.744
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Cerebral Amyloid Angiopathy - A report of two cases -
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Jang Kee-Taek
Choe Ghee-Young
Suh Yeon-Lim
Chi Je-Geun
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Abstract
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Cerebral amyloid angiopathy (C.A.A) is characterized by the extracellular amyloid protein deposition in the vessel walls of the brain and meninges. It has been estimated to account for 5 to 10% of all primary, nontraumatic brain hemorrhage. We report two cases of C.A.A causing nontraumatic intracerebral hemorrhage in the frontal lobe. The first case was a 60-year-old female who was admitted for the left hemiplegia and dysarthralgia. Brain CT revealed right frontal lobe hemorrhage. The second case was a 72-year-old male who was admitted for amnesia and gait disturbance. Clinical impression was Alzheimer’s disease. Brain MRI revealed multifocal small hemorrhage in the right frontal lobe. Microscopically, both cases showed dilated small arteries of superficial cortex and meninges with hyalinization. Some vessels showed microaneurysm and fibriniod necrosis. Congo-red stain also exhibited birefringence under polarized light. There was no evidence of Alzheimer’s disease.
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KEYWORD
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Cerebral amyloid angiopathy, Cerebral hemorrhage, Cerebrovascular disease
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