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Senile Dementia of the Neurofibrillary Tangle Type (SD-NFT) Masahito Yamada 1 1Department of Neurology and Neurobiology of Aging, Kanazawa University Graduate School of Medical Sciences Keyword: 神経原線維変化型老年期認知症 , 神経原線維変化 , 原発性年齢関連タウオパチー , アルツハイマー病 , アミロイドβ蛋白 , senile dementia of the neurofibrillary tangle type , SD-NFT , neurofibrillary tangle , NFT , primary age-related tauopathy , PART , Alzheimer's disease , AD , amyloid β-protein , pp.533-541
Published Date 2018/5/1
DOI https://doi.org/10.11477/mf.1416201035
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Abstract

A subset of older individuals with dementia have neurofibrillary tangles (NFTs) in the medial temporal lobe and show absence of amyloid β-protein (Aβ) deposition in the brain. In 1996, the author's group reported senile dementia of the NFT type (SD-NFT) as a disease entity characterized by these pathological features as well as late-onset dementia in older subjects. In 2014, it was proposed that this pathological condition, irrespective of the presence of cognitive impairment, should be referred to as primary age-related tauopathy (PART). SD-NFT is a dementing disease caused by severe PART pathology. This article reviews features of SD-NFT, relationships among PART, cognitive impairment, and Alzheimer's disease (AD) pathogenesis; and PART/SD-NFT as a background of SNAP [suspected non-AD pathophysiology] in the differential diagnosis of AD.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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