Imaging spectrum of sporadic cerebral amyloid angiopathy: Multifaceted features of a single pathological condition

被引：16

作者：

Sakurai K. ^{[1
]}

Tokumaru A.M. ^{[1
]}

Nakatsuka T. ^{[2
]}

Murayama S. ^{[3
]}

Hasebe S. ^{[1
]}

Imabayashi E. ^{[1
]}

Kanemaru K. ^{[4
]}

Takao M. ^{[3
]}

Hatsuta H. ^{[3
]}

Ishii K. ^{[5
]}

Saito Y. ^{[6
]}

Shibamoto Y. ^{[7
]}

Matsukawa N. ^{[8
]}

Chikui E. ^{[9
]}

Terada H. ^{[2
]}

机构：

[1] Department of Diagnostic Radiology, Tokyo Metropolitan Medical Centre of Gerontology, Tokyo, 173-0015, 35-2 Sakaecho, Itabashi-ku

[2] Department of Radiology, Toho University Sakura Medical Centre, Sakura

[3] Department of Neuropathology (the Brain Bank for Aging Research), Tokyo Metropolitan Geriatric Hospital, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo

[4] Department of Neurology, Tokyo Metropolitan Geriatric Hospital, Tokyo

[5] Positron Medical Centre, Tokyo Metropolitan Institute of Gerontology, Tokyo

[6] Department of Pathology and Laboratory Medicine, National Centre for Neurology and Psychiatry Hospital, Tokyo

[7] Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya

[8] Department of Neurology and Neuroscience, Nagoya City University Graduate School of Medical Sciences, Nagoya

[9] Department of Neurosurgery, Tokyo Metropolitan Geriatric Hospital, Tokyo

来源：

Insights into Imaging | 2014年 / 5卷 / 3期

基金：

日本学术振兴会;

关键词：

CAA-related inflammation; Cerebral amyloid angiopathy; Imaging; Microbleed; Subarachnoid haemorrhage; Superficial siderosis;

D O I：

10.1007/s13244-014-0312-x

中图分类号：

学科分类号：

摘要：

Objectives: Sporadic cerebral amyloid angiopathy (CAA) is common cause of cerebrovascular disorders that predominantly affect elderly patients. When symptomatic, cortical-subcortical intracerebral haemorrhage (ICH) in the elderly is the most well-known manifestation of CAA. Furthermore, the clinical presentation varies from a sudden neurological deficit to seizures, transient symptoms and acute progressive cognitive decline. Despite its clinical importance, this multifaceted nature poses a diagnostic challenge for radiologists. The aims of this study were to expound the characteristics of neuroimaging modalities, which cover a wide spectrum of CAA-related imaging findings, and to review the various abnormal findings for which CAA could be responsible. Conclusions: Radiologically, in addition to typical ICH, CAA leads to various types of abnormal findings, including microbleed, subarachnoid haemorrhage, superficial siderosis, microinfarction, reversible oedema, and irreversible leukoaraiosis. Taking into consideration the clinical importance of CAA-related disorders such as haemorrhagic risks and treatable oedema, it is necessary for radiologists to understand the wide spectrum of CAA-related imaging findings. Teaching Points: • To describe the characteristics of imaging modalities and findings of CAA-related disorders. • MRI, especially gradient echo sequences, provides the useful information of CAA-related haemosiderin depositions. • To understand the wide spectrum of CAA-related neuroimaging and clinical features is important. © 2014 The Author(s).

引用

页码：375 / 385

页数：10

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